/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:17:21,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:17:21,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:17:21,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:17:21,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:17:21,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:17:21,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:17:21,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:17:21,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:17:21,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:17:21,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:17:21,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:17:21,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:17:21,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:17:21,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:17:21,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:17:21,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:17:21,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:17:21,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:17:21,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:17:21,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:17:21,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:17:21,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:17:21,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:17:21,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:17:21,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:17:21,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:17:21,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:17:21,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:17:21,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:17:21,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:17:21,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:17:21,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:17:21,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:17:21,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:17:21,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:17:21,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:17:21,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:17:21,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:17:21,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:17:21,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:17:21,345 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:17:21,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:17:21,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:17:21,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:17:21,360 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:17:21,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:17:21,361 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:17:21,361 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:17:21,361 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:17:21,361 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:17:21,362 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:21,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:17:21,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:17:21,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:17:21,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:17:21,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:17:21,363 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:17:21,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:17:21,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:17:21,364 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:17:21,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:17:21,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:17:21,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:17:21,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:17:21,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:17:21,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:17:21,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:17:21,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:17:21,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:17:21,547 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:17:21,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:17:21,613 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_3kkF9L/tmp/e20dafeebc2b461cb3033600be80268f/FLAGfe49996bd [2020-07-01 12:17:21,939 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:17:21,940 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:17:21,946 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_3kkF9L/tmp/e20dafeebc2b461cb3033600be80268f/FLAGfe49996bd [2020-07-01 12:17:22,349 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_3kkF9L/tmp/e20dafeebc2b461cb3033600be80268f [2020-07-01 12:17:22,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:17:22,362 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:17:22,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:17:22,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:17:22,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:17:22,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e7e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22, skipping insertion in model container [2020-07-01 12:17:22,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:17:22,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:17:22,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:17:22,631 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:17:22,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:17:22,663 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:17:22,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22 WrapperNode [2020-07-01 12:17:22,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:17:22,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:17:22,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:17:22,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:17:22,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:17:22,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:17:22,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:17:22,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:17:22,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:17:22,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:17:22,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:17:22,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:17:22,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:17:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:17:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:17:22,949 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:17:22,949 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:17:22,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:22 BoogieIcfgContainer [2020-07-01 12:17:22,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:17:22,953 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:17:22,954 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:17:22,956 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:17:22,957 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:22" (1/1) ... [2020-07-01 12:17:22,968 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 12:17:22,970 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:17:22,970 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:17:22,971 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:17:22,971 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:17:22,973 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:17:22,974 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:17:22,974 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:17:22,987 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:17:23,002 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 12:17:23,006 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:17:23,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:17:23,022 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 12:17:23,024 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:17:23,026 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:17:23,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:17:23,026 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:17:23,026 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:17:23,027 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 12:17:23,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:23 BasicIcfg [2020-07-01 12:17:23,027 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:17:23,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:17:23,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:17:23,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:17:23,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:17:22" (1/4) ... [2020-07-01 12:17:23,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1feb9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (2/4) ... [2020-07-01 12:17:23,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1feb9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:22" (3/4) ... [2020-07-01 12:17:23,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1feb9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:23" (4/4) ... [2020-07-01 12:17:23,036 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:17:23,046 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:17:23,053 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:17:23,067 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:17:23,090 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:17:23,090 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:17:23,090 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:17:23,090 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:17:23,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:17:23,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:17:23,091 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:17:23,091 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:17:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 12:17:23,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:17:23,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 12:17:23,164 INFO L271 CegarLoopResult]: At program point L19-2(lines 14 22) the Hoare annotation is: true [2020-07-01 12:17:23,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:17:23,165 INFO L268 CegarLoopResult]: For program point L19(lines 19 21) no Hoare annotation was computed. [2020-07-01 12:17:23,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:23 BasicIcfg [2020-07-01 12:17:23,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:17:23,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:17:23,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:17:23,177 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:17:23,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:23,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:17:22" (1/5) ... [2020-07-01 12:17:23,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@675f9ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:23,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:17:22" (2/5) ... [2020-07-01 12:17:23,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@675f9ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:23,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:17:22" (3/5) ... [2020-07-01 12:17:23,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@675f9ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:23,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:17:23" (4/5) ... [2020-07-01 12:17:23,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@675f9ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:17:23, skipping insertion in model container [2020-07-01 12:17:23,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:17:23,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:17:23" (5/5) ... [2020-07-01 12:17:23,184 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:17:23,212 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:17:23,212 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:17:23,212 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:17:23,213 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:17:23,213 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:17:23,213 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:17:23,213 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:17:23,213 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:17:23,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:17:23,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:23,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:23,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:23,242 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:17:23,242 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:17:23,242 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:17:23,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:17:23,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:23,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:23,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:23,244 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:17:23,244 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:17:23,249 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_1 13) (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 4#L19-2true [2020-07-01 12:17:23,249 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-2true [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 5#L19true [34] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~life~0_11) (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~death~0_10)) InVars {ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} AuxVars[] AssignedVars[] 4#L19-2true [2020-07-01 12:17:23,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:23,256 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-07-01 12:17:23,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:23,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448806300] [2020-07-01 12:17:23,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:23,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:23,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:23,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1832, now seen corresponding path program 1 times [2020-07-01 12:17:23,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:23,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869093895] [2020-07-01 12:17:23,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:23,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:23,365 INFO L82 PathProgramCache]: Analyzing trace with hash 53726, now seen corresponding path program 1 times [2020-07-01 12:17:23,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:23,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035482371] [2020-07-01 12:17:23,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:17:23,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035482371] [2020-07-01 12:17:23,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:17:23,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-01 12:17:23,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566607507] [2020-07-01 12:17:23,503 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:23,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:23,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:23,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:23,504 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:17:23,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:23,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:23,505 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:23,505 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:17:23,505 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:23,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:23,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:23,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:23,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:23,649 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:23,650 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:23,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:23,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:23,668 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:23,669 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:23,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:23,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:23,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:23,708 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:23,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:23,741 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:23,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:17:23,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:32,353 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:17:32,357 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:32,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:32,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:32,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:32,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:17:32,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:32,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:32,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:32,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:17:32,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:32,358 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:32,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:32,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:32,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:32,451 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:32,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:32,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:32,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:32,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:32,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:32,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:32,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:32,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:32,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:32,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:32,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:32,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:32,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:32,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:32,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:17:32,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:32,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:17:32,530 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 12:17:32,530 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:32,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:17:32,537 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:17:32,537 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:17:32,538 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0) = -1*ULTIMATE.start_main_~life~0 + 1*ULTIMATE.start_main_~choose~0 Supporting invariants [] [2020-07-01 12:17:32,571 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:17:32,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:32,614 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:17:32,615 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:17:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:32,626 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-01 12:17:32,626 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:17:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:17:32,668 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:17:32,673 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:17:32,675 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-07-01 12:17:32,714 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 12 transitions. Complement of second has 4 states. [2020-07-01 12:17:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 12:17:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:17:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-07-01 12:17:32,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:17:32,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:32,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 12:17:32,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:32,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-01 12:17:32,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:32,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 12 transitions. [2020-07-01 12:17:32,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:32,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 12 transitions. [2020-07-01 12:17:32,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 12:17:32,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 12:17:32,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12 transitions. [2020-07-01 12:17:32,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:17:32,734 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-07-01 12:17:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 12 transitions. [2020-07-01 12:17:32,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-07-01 12:17:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-01 12:17:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2020-07-01 12:17:32,762 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-07-01 12:17:32,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:17:32,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:17:32,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:17:32,766 INFO L87 Difference]: Start difference. First operand 7 states and 12 transitions. Second operand 4 states. [2020-07-01 12:17:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:17:32,807 INFO L93 Difference]: Finished difference Result 8 states and 12 transitions. [2020-07-01 12:17:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-01 12:17:32,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 12 transitions. [2020-07-01 12:17:32,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:32,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 11 transitions. [2020-07-01 12:17:32,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-07-01 12:17:32,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-07-01 12:17:32,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 11 transitions. [2020-07-01 12:17:32,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:17:32,812 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-07-01 12:17:32,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 11 transitions. [2020-07-01 12:17:32,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-07-01 12:17:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-01 12:17:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 11 transitions. [2020-07-01 12:17:32,814 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-07-01 12:17:32,814 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 11 transitions. [2020-07-01 12:17:32,814 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:17:32,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 11 transitions. [2020-07-01 12:17:32,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:32,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:32,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:32,816 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-07-01 12:17:32,816 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:17:32,816 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_1 13) (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 62#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 65#L19 [36] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6) (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~death~0_9)) InVars {ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 63#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 64#L19 [36] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6) (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~death~0_9)) InVars {ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_9, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 67#L19-2 [2020-07-01 12:17:32,816 INFO L796 eck$LassoCheckResult]: Loop: 67#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 66#L19 [34] L19-->L19-2: Formula: (and (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~life~0_11) (>= v_ULTIMATE.start_main_~choose~0_7 v_ULTIMATE.start_main_~death~0_10)) InVars {ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} OutVars{ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_11} AuxVars[] AssignedVars[] 67#L19-2 [2020-07-01 12:17:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash 51633481, now seen corresponding path program 1 times [2020-07-01 12:17:32,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:32,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285225485] [2020-07-01 12:17:32,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:32,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:32,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1832, now seen corresponding path program 2 times [2020-07-01 12:17:32,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:32,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784759182] [2020-07-01 12:17:32,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:32,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:32,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:32,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1919831440, now seen corresponding path program 1 times [2020-07-01 12:17:32,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:32,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790513444] [2020-07-01 12:17:32,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-01 12:17:32,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790513444] [2020-07-01 12:17:32,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:17:32,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 12:17:32,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925134558] [2020-07-01 12:17:32,925 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:32,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:32,925 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:32,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:32,925 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:17:32,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:32,925 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:32,926 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:32,926 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:17:32,926 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:32,926 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:32,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:32,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:32,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:33,041 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:33,041 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:33,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:33,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:33,051 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:33,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:33,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:33,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:33,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:33,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:33,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:33,129 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:33,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:17:33,174 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:45,220 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-07-01 12:17:45,224 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:45,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:45,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:45,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:45,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:17:45,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:45,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:45,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:45,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:17:45,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:45,225 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:45,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,306 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:45,306 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:45,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:45,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:45,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:45,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:45,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:45,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:45,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:45,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:45,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:45,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:45,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:45,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:45,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:45,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:45,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:17:45,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:45,361 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:17:45,367 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 12:17:45,367 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:45,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:17:45,372 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:17:45,373 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:17:45,373 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0) = -1*ULTIMATE.start_main_~life~0 + 1*ULTIMATE.start_main_~choose~0 Supporting invariants [] [2020-07-01 12:17:45,403 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:17:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:45,434 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:17:45,434 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:17:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:17:45,440 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-01 12:17:45,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:17:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:17:45,451 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:17:45,451 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:17:45,451 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-07-01 12:17:45,482 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 11 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 22 transitions. Complement of second has 4 states. [2020-07-01 12:17:45,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 12:17:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:17:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-07-01 12:17:45,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-01 12:17:45,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:45,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2020-07-01 12:17:45,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:45,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2020-07-01 12:17:45,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:17:45,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 22 transitions. [2020-07-01 12:17:45,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-07-01 12:17:45,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 21 transitions. [2020-07-01 12:17:45,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-07-01 12:17:45,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-01 12:17:45,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 21 transitions. [2020-07-01 12:17:45,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:17:45,490 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 21 transitions. [2020-07-01 12:17:45,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 21 transitions. [2020-07-01 12:17:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. [2020-07-01 12:17:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-01 12:17:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. [2020-07-01 12:17:45,492 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 16 transitions. [2020-07-01 12:17:45,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:17:45,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:17:45,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:17:45,492 INFO L87 Difference]: Start difference. First operand 10 states and 16 transitions. Second operand 4 states. [2020-07-01 12:17:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:17:45,509 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2020-07-01 12:17:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 12:17:45,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2020-07-01 12:17:45,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 12:17:45,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2020-07-01 12:17:45,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-07-01 12:17:45,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-07-01 12:17:45,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-07-01 12:17:45,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:17:45,512 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-07-01 12:17:45,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-07-01 12:17:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 3. [2020-07-01 12:17:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:17:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-07-01 12:17:45,514 INFO L711 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 12:17:45,514 INFO L591 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-07-01 12:17:45,514 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:17:45,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-07-01 12:17:45,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:17:45,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:17:45,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:17:45,515 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:17:45,515 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:17:45,515 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_1 13) (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 148#L19-2 [2020-07-01 12:17:45,515 INFO L796 eck$LassoCheckResult]: Loop: 148#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-07-01 12:17:45,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:45,515 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 2 times [2020-07-01 12:17:45,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:45,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810555404] [2020-07-01 12:17:45,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,522 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:45,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:45,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1833, now seen corresponding path program 1 times [2020-07-01 12:17:45,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:45,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465399381] [2020-07-01 12:17:45,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,532 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash 53727, now seen corresponding path program 1 times [2020-07-01 12:17:45,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:45,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981061219] [2020-07-01 12:17:45,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:45,544 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:45,587 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:45,588 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:45,588 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:45,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:45,588 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:17:45,588 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:45,588 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:45,588 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:45,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:17:45,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:45,589 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:45,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:45,723 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:45,723 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:45,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:45,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:45,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:45,731 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:45,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:45,763 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:45,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:17:45,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:52,356 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:17:52,360 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:52,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:52,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:52,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:52,361 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:17:52,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:52,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:52,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:17:52,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:52,361 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:52,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:52,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:52,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:52,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:52,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:52,457 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:52,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:52,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:17:52,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:52,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:52,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:52,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:52,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:52,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:52,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:52,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:52,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:52,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:52,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:52,627 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:52,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,633 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:52,633 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:17:52,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:52,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,669 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:52,676 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:52,676 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:52,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:52,730 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:52,730 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:52,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,770 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:52,773 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:52,773 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:52,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:52,807 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:52,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:52,813 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:52,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:52,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,849 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:52,859 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:52,859 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:52,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:52,916 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:52,916 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:52,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:52,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:52,956 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:52,959 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:52,959 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:52,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:52,994 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:52,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:52,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:52,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:52,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,000 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,001 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:17:53,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:53,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:53,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,047 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,047 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:53,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,107 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,112 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,112 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:53,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,155 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,159 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,159 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:53,197 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,202 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:53,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,202 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:53,203 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:17:53,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:53,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,243 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,243 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:53,251 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:53,251 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:53,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,315 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,316 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,316 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:53,319 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:53,319 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:53,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,360 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,360 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:53,363 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:53,363 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:53,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:53,398 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,403 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:53,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:53,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,404 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,405 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:53,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:53,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,443 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:53,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,443 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,451 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,451 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,515 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:53,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,515 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,518 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,518 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,559 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:53,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,563 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,563 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:53,600 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,605 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:53,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:53,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,606 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,607 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:17:53,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:53,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,646 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:53,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,647 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,657 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,657 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:53,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,736 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,736 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,780 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,780 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:53,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:53,785 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:53,785 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:53,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:53,826 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:53,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,831 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:53,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:53,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,876 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,876 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,938 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,939 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:53,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:53,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:53,978 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:53,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:53,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:53,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:53,981 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:53,981 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:53,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:54,017 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:54,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:54,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:54,022 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:54,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:54,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:54,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:54,023 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:54,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:54,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:54,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:54,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:54,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:54,062 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:54,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:54,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:54,062 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:54,073 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:54,073 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:54,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:54,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:54,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:54,157 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:54,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:54,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:54,157 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:54,161 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:54,161 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:54,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:54,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:54,204 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:54,204 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:54,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:54,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:54,205 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:54,208 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:54,208 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:54,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:54,246 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 12:17:54,247 INFO L794 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_1 13) (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0] 148#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-07-01 12:17:54,247 INFO L796 eck$LassoCheckResult]: Loop: 148#L19-2 [27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0] 149#L19 [35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0] 148#L19-2 [2020-07-01 12:17:54,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:54,247 INFO L82 PathProgramCache]: Analyzing trace with hash 53727, now seen corresponding path program 2 times [2020-07-01 12:17:54,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:54,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062673456] [2020-07-01 12:17:54,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,259 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:54,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:54,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1833, now seen corresponding path program 2 times [2020-07-01 12:17:54,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:54,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671974449] [2020-07-01 12:17:54,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:17:54,269 INFO L82 PathProgramCache]: Analyzing trace with hash 51632519, now seen corresponding path program 3 times [2020-07-01 12:17:54,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:17:54,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113575399] [2020-07-01 12:17:54,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:17:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:17:54,283 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:17:54,354 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:54,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:54,354 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:54,354 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:54,354 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:17:54,354 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:54,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:54,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:54,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:17:54,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:54,355 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:54,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:54,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:54,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:54,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:54,483 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:54,483 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:54,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:54,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:54,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:17:54,495 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:54,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:17:54,535 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:17:54,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:17:54,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:17:57,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:17:57,124 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:17:57,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:17:57,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:17:57,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:17:57,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:17:57,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,125 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:17:57,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:17:57,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-07-01 12:17:57,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:17:57,125 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:17:57,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:57,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:57,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:57,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:17:57,254 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:17:57,254 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:57,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:57,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:57,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:57,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:57,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:57,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:57,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:57,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:17:57,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:57,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:17:57,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:17:57,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:57,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:57,416 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,421 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:57,427 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:57,427 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:57,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:57,481 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:57,481 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:57,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,520 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:57,522 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:57,522 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:57,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:57,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,562 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:57,563 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:17:57,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:57,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:57,594 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:57,608 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:57,609 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:57,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,662 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:57,665 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:57,665 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:57,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,705 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:57,707 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:57,707 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:57,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:57,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,747 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:57,747 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:57,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:57,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:57,778 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,783 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:57,792 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:57,792 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:57,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,851 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:57,853 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:57,853 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:57,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,894 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:57,896 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:57,897 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:57,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:17:57,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:57,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,937 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:57,938 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:17:57,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:57,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:57,968 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:57,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:57,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:57,973 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:57,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:57,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:57,974 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:57,979 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:57,979 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:58,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,034 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,034 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,034 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:58,036 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:58,036 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:58,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,074 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,075 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:58,077 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:17:58,077 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:17:58,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,117 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:58,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,117 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:17:58,118 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:17:58,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:58,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:58,149 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,155 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,155 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:58,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,155 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,164 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,164 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,225 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:58,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,226 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,228 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,228 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:58,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,272 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,272 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,314 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:17:58,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:58,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,315 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,315 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:58,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:58,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:58,349 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,355 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,356 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:58,367 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:58,367 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:58,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,455 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,456 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:58,459 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:58,459 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:58,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,503 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,504 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:58,507 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:17:58,507 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:17:58,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,553 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,553 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:58,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,554 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:17:58,555 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:17:58,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:58,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:58,588 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,594 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,594 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,602 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,602 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,668 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,669 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,671 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,710 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,710 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,712 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:17:58,713 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:17:58,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,752 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:17:58,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:58,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:17:58,753 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:17:58,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:58,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:58,784 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,789 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,790 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,790 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:58,801 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:58,802 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:58,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,882 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,882 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:58,886 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:58,886 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:58,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,929 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:58,932 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:17:58,932 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:17:58,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:17:58,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:17:58,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:17:58,974 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:17:58,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:17:58,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:17:58,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:17:58,975 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:17:58,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:17:58,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:17:58,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:17:59,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:17:59 BasicIcfg [2020-07-01 12:17:59,015 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:17:59,017 INFO L168 Benchmark]: Toolchain (without parser) took 36654.46 ms. Allocated memory was 649.6 MB in the beginning and 782.2 MB in the end (delta: 132.6 MB). Free memory was 562.8 MB in the beginning and 470.6 MB in the end (delta: 92.2 MB). Peak memory consumption was 290.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,018 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:17:59,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.36 ms. Allocated memory was 649.6 MB in the beginning and 692.1 MB in the end (delta: 42.5 MB). Free memory was 562.8 MB in the beginning and 655.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 692.1 MB. Free memory was 655.4 MB in the beginning and 654.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,019 INFO L168 Benchmark]: Boogie Preprocessor took 19.78 ms. Allocated memory is still 692.1 MB. Free memory was 654.1 MB in the beginning and 652.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,019 INFO L168 Benchmark]: RCFGBuilder took 234.12 ms. Allocated memory is still 692.1 MB. Free memory was 652.8 MB in the beginning and 638.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,020 INFO L168 Benchmark]: BlockEncodingV2 took 73.96 ms. Allocated memory is still 692.1 MB. Free memory was 638.5 MB in the beginning and 633.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,020 INFO L168 Benchmark]: TraceAbstraction took 144.89 ms. Allocated memory is still 692.1 MB. Free memory was 633.1 MB in the beginning and 623.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,021 INFO L168 Benchmark]: BuchiAutomizer took 35841.00 ms. Allocated memory was 692.1 MB in the beginning and 782.2 MB in the end (delta: 90.2 MB). Free memory was 623.6 MB in the beginning and 470.6 MB in the end (delta: 153.0 MB). Peak memory consumption was 308.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:17:59,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 300.36 ms. Allocated memory was 649.6 MB in the beginning and 692.1 MB in the end (delta: 42.5 MB). Free memory was 562.8 MB in the beginning and 655.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 692.1 MB. Free memory was 655.4 MB in the beginning and 654.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.78 ms. Allocated memory is still 692.1 MB. Free memory was 654.1 MB in the beginning and 652.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 234.12 ms. Allocated memory is still 692.1 MB. Free memory was 652.8 MB in the beginning and 638.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 73.96 ms. Allocated memory is still 692.1 MB. Free memory was 638.5 MB in the beginning and 633.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 144.89 ms. Allocated memory is still 692.1 MB. Free memory was 633.1 MB in the beginning and 623.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 35841.00 ms. Allocated memory was 692.1 MB in the beginning and 782.2 MB in the end (delta: 90.2 MB). Free memory was 623.6 MB in the beginning and 470.6 MB in the end (delta: 153.0 MB). Peak memory consumption was 308.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 0 deterministic, 2 nondeterministic) and one module whose termination is unknown.One nondeterministic module has affine ranking function -1 * life + choose and consists of 3 locations. One nondeterministic module has affine ranking function -1 * life + choose and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.8s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 35.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 39 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax155 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf90 smp100 dnf100 smp100 tf104 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 63ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 23.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[24] ULTIMATE.startENTRY-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~life~0_1 13) (= v_ULTIMATE.start_main_~death~0_1 17) (= v_ULTIMATE.start_main_~choose~0_1 2)) InVars {} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_1, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_1, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_1, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0, ULTIMATE.start_main_~choose~0]" "[27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0]" "[35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0]" Loop: "[27] L19-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~death~0_7 (+ v_ULTIMATE.start_main_~life~0_8 1)) (< v_ULTIMATE.start_main_~life~0_8 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~death~0_8) (= v_ULTIMATE.start_main_~life~0_7 v_ULTIMATE.start_main_~temp~0_4)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_8, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_8} OutVars{ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_~death~0=v_ULTIMATE.start_main_~death~0_7, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~death~0, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_~life~0]" "[35] L19-->L19-2: Formula: (and (< v_ULTIMATE.start_main_~choose~0_6 v_ULTIMATE.start_main_~life~0_10) (= v_ULTIMATE.start_main_~life~0_9 v_ULTIMATE.start_main_~choose~0_6)) InVars {ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_10, ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6} OutVars{ULTIMATE.start_main_~choose~0=v_ULTIMATE.start_main_~choose~0_6, ULTIMATE.start_main_~life~0=v_ULTIMATE.start_main_~life~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~life~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-07-01 12:17:19.123 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_3kkF9L/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:17:59.255 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check