/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 11:27:20,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 11:27:20,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 11:27:20,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 11:27:20,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 11:27:20,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 11:27:20,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 11:27:20,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 11:27:20,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 11:27:20,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 11:27:20,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 11:27:20,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 11:27:20,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 11:27:20,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 11:27:20,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 11:27:20,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 11:27:20,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 11:27:20,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 11:27:20,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 11:27:20,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 11:27:20,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 11:27:20,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 11:27:20,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 11:27:20,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 11:27:20,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 11:27:20,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 11:27:20,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 11:27:20,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 11:27:20,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 11:27:20,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 11:27:20,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 11:27:20,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 11:27:20,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 11:27:20,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 11:27:20,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 11:27:20,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 11:27:20,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 11:27:20,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 11:27:20,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 11:27:20,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 11:27:20,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 11:27:20,785 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 11:27:20,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 11:27:20,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 11:27:20,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 11:27:20,801 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 11:27:20,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 11:27:20,801 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:20,801 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 11:27:20,802 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 11:27:20,802 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 11:27:20,802 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 11:27:20,802 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 11:27:20,802 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 11:27:20,803 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 11:27:20,803 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 11:27:20,803 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:20,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 11:27:20,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 11:27:20,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 11:27:20,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 11:27:20,804 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 11:27:20,804 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 11:27:20,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 11:27:20,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 11:27:20,805 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 11:27:20,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 11:27:20,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 11:27:20,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 11:27:20,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 11:27:20,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 11:27:20,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 11:27:20,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 11:27:20,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 11:27:20,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 11:27:20,986 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 11:27:20,987 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:27:21,052 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_XAokdm/tmp/b12bffd1a55e4f5784280ca85035b14f/FLAGfeafee5a8 [2020-07-01 11:27:21,384 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 11:27:21,384 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 11:27:21,391 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_XAokdm/tmp/b12bffd1a55e4f5784280ca85035b14f/FLAGfeafee5a8 [2020-07-01 11:27:21,787 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_XAokdm/tmp/b12bffd1a55e4f5784280ca85035b14f [2020-07-01 11:27:21,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 11:27:21,799 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 11:27:21,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:21,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 11:27:21,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 11:27:21,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:21" (1/1) ... [2020-07-01 11:27:21,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450c5da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:21, skipping insertion in model container [2020-07-01 11:27:21,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 11:27:21" (1/1) ... [2020-07-01 11:27:21,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 11:27:21,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 11:27:22,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:22,052 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 11:27:22,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 11:27:22,081 INFO L208 MainTranslator]: Completed translation [2020-07-01 11:27:22,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22 WrapperNode [2020-07-01 11:27:22,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 11:27:22,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:22,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 11:27:22,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 11:27:22,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 11:27:22,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 11:27:22,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 11:27:22,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 11:27:22,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 11:27:22,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 11:27:22,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 11:27:22,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 11:27:22,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (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 11:27:22,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 11:27:22,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 11:27:22,345 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 11:27:22,346 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 11:27:22,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:22 BoogieIcfgContainer [2020-07-01 11:27:22,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 11:27:22,350 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 11:27:22,350 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 11:27:22,352 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 11:27:22,353 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:22" (1/1) ... [2020-07-01 11:27:22,365 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 11:27:22,367 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 11:27:22,367 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 11:27:22,368 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 11:27:22,368 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 11:27:22,370 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 11:27:22,371 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 11:27:22,371 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 11:27:22,384 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 11:27:22,398 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 11:27:22,402 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 11:27:22,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:22,411 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 11:27:22,413 INFO L70 RemoveSinkStates]: Removed 6 edges and 3 locations by removing sink states [2020-07-01 11:27:22,414 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:27:22,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:22,420 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 11:27:22,420 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:27:22,421 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 11:27:22,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 11:27:22,421 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 11:27:22,421 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 11:27:22,421 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-07-01 11:27:22,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:22 BasicIcfg [2020-07-01 11:27:22,422 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 11:27:22,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 11:27:22,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 11:27:22,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 11:27:22,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 11:27:21" (1/4) ... [2020-07-01 11:27:22,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd0b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (2/4) ... [2020-07-01 11:27:22,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd0b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:22" (3/4) ... [2020-07-01 11:27:22,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd0b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:22" (4/4) ... [2020-07-01 11:27:22,431 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:22,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 11:27:22,449 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 11:27:22,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 11:27:22,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 11:27:22,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 11:27:22,486 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:22,486 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:22,486 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:22,486 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 11:27:22,486 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:22,486 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 11:27:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 11:27:22,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 11:27:22,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 11:27:22,559 INFO L271 CegarLoopResult]: At program point L18-2(lines 18 20) the Hoare annotation is: true [2020-07-01 11:27:22,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 11:27:22,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:22 BasicIcfg [2020-07-01 11:27:22,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 11:27:22,568 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 11:27:22,568 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 11:27:22,571 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 11:27:22,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:22,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 11:27:21" (1/5) ... [2020-07-01 11:27:22,574 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e94545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:22,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 11:27:22" (2/5) ... [2020-07-01 11:27:22,574 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e94545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:22,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 11:27:22" (3/5) ... [2020-07-01 11:27:22,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e94545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:22,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 11:27:22" (4/5) ... [2020-07-01 11:27:22,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e94545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:22, skipping insertion in model container [2020-07-01 11:27:22,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 11:27:22,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 11:27:22" (5/5) ... [2020-07-01 11:27:22,578 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 11:27:22,606 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 11:27:22,607 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 11:27:22,607 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 11:27:22,607 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 11:27:22,607 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 11:27:22,608 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 11:27:22,608 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 11:27:22,608 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 11:27:22,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 11:27:22,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:27:22,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:22,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:22,635 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:27:22,635 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:27:22,635 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 11:27:22,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 11:27:22,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 11:27:22,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 11:27:22,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 11:27:22,636 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 11:27:22,636 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 11:27:22,641 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [38] ULTIMATE.startENTRY-->L18-2: Formula: (<= v_ULTIMATE.start_main_~z~0_8 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-07-01 11:27:22,642 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [30] L18-2-->L18-2: Formula: (and (= 1 v_ULTIMATE.start_main_~z~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-07-01 11:27:22,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:22,648 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times [2020-07-01 11:27:22,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:22,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138579625] [2020-07-01 11:27:22,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:22,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:22,731 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 1 times [2020-07-01 11:27:22,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:22,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566590534] [2020-07-01 11:27:22,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:22,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:22,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2169, now seen corresponding path program 1 times [2020-07-01 11:27:22,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:22,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708586338] [2020-07-01 11:27:22,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:22,764 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:22,806 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:22,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:22,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:22,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:22,808 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:27:22,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:22,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:22,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:22,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:27:22,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:22,809 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:22,827 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 11:27:22,837 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 11:27:22,896 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:22,896 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 11:27:22,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:22,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:22,912 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:27:22,912 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} 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 11:27:22,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:22,945 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 11:27:22,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:27:22,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:23,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:27:23,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=13}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 12] Nus: [0, 0] [2020-07-01 11:27:23,129 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:23,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:23,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:23,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:23,130 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:27:23,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:23,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:23,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:23,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:27:23,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:23,131 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:23,133 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 11:27:23,136 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 11:27:23,158 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 11:27:23,162 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 11:27:23,165 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 11:27:23,221 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:23,221 INFO L404 LassoAnalysis]: Checking for nontermination... 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 11:27:23,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:23,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:23,228 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:27:23,228 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 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:23,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:23,261 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:23,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:27:23,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:23,535 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:27:23,538 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:23,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:23,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:23,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:23,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:27:23,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:23,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:23,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:27:23,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:23,539 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:23,541 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 11:27:23,544 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 11:27:23,555 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 11:27:23,558 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 11:27:23,561 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 11:27:23,608 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:23,614 INFO L489 LassoAnalysis]: Using template 'affine'. 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 11:27:23,618 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 11:27:23,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:23,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:23,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,628 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 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,661 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 11:27:23,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:23,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:23,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:27:23,681 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,714 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 11:27:23,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:23,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:23,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,719 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 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,752 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 11:27:23,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:23,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:23,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,757 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 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,790 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 11:27:23,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:23,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:23,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:23,825 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 11:27:23,828 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 11:27:23,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,831 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:23,832 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:23,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,834 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 11:27:23,868 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 11:27:23,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,872 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:23,882 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:27:23,882 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:27:23,894 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 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 11:27:23,926 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 11:27:23,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:23,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:23,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,933 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 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:23,965 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 11:27:23,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:23,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:23,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:23,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:23,968 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:23,969 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:23,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:23,972 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:24,004 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 11:27:24,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,006 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,007 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:24,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:24,039 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:24,043 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 11:27:24,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,046 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,048 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,050 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 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 11:27:24,082 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 11:27:24,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,097 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:24,097 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:24,112 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 11:27:24,159 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 11:27:24,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,162 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,163 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,166 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 11:27:24,199 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 11:27:24,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,202 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,203 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,205 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 11:27:24,237 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 11:27:24,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,240 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,241 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:24,274 INFO L489 LassoAnalysis]: Using template '4-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 11:27:24,277 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 11:27:24,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,281 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,282 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:24,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,285 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 11:27:24,317 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 11:27:24,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,321 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,331 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:27:24,331 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:27:24,348 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 11:27:24,381 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 11:27:24,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,384 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,386 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:24,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,389 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 11:27:24,420 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 11:27:24,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,423 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,424 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:24,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,427 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 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 11:27:24,459 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 11:27:24,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:24,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,462 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,463 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:24,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:24,494 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 11:27:24,498 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 11:27:24,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,500 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:24,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,501 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,502 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:24,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,505 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 11:27:24,537 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 11:27:24,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,540 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:24,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,541 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,548 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:27:24,548 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:27:24,563 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 11:27:24,595 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 11:27:24,598 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,598 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:24,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,599 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,600 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:24,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,603 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 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 11:27:24,634 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 11:27:24,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,637 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:24,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,637 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,638 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:24,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,642 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 11:27:24,673 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 11:27:24,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,676 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:24,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,676 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:24,677 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:24,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:24,710 INFO L489 LassoAnalysis]: Using template '3-phase'. 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 11:27:24,713 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 11:27:24,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,715 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:24,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,718 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,727 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 11:27:24,761 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 11:27:24,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,764 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:24,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,765 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,774 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:24,775 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:24,795 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 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 11:27:24,828 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 11:27:24,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,846 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:24,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,854 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,858 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 11:27:24,891 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 11:27:24,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,894 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:24,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,894 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,900 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 11:27:24,933 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 11:27:24,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,935 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:24,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:24,937 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:24,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:24,970 INFO L489 LassoAnalysis]: Using template '4-phase'. 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 11:27:24,973 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 11:27:24,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:24,975 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:24,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:24,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:24,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:24,976 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:24,978 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:24,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:24,983 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 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 11:27:25,015 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 11:27:25,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,018 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,019 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:25,030 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:27:25,030 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:27:25,057 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 11:27:25,091 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 11:27:25,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,095 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:25,096 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:25,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,102 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 11:27:25,136 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 11:27:25,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,140 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:25,141 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:25,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,147 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 11:27:25,180 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 11:27:25,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,184 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:25,185 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:25,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:25,221 INFO L489 LassoAnalysis]: Using template '2-lex'. 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 11:27:25,225 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 11:27:25,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,227 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:25,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,228 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:25,229 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:25,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,232 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 11:27:25,267 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 11:27:25,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,270 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:25,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:25,277 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:25,278 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:25,293 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 11:27:25,326 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 11:27:25,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,329 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:25,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,329 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:25,330 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:25,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,333 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 11:27:25,364 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 11:27:25,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:25,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:25,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:25,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,371 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 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 11:27:25,402 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 11:27:25,404 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,404 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:25,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,405 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:25,405 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:25,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:25,437 INFO L489 LassoAnalysis]: Using template '3-lex'. 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 11:27:25,439 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 11:27:25,442 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,442 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,442 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:25,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:25,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,448 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 11:27:25,479 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 11:27:25,482 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,482 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,482 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:25,490 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 11:27:25,491 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 11:27:25,513 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 11:27:25,544 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 11:27:25,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,547 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,547 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:25,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:25,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,553 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 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 11:27:25,585 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 11:27:25,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,588 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,588 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:25,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:25,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,594 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 11:27:25,626 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 11:27:25,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:25,628 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:25,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:25,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:25,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:25,629 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:25,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:25,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:25,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:25,664 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 11:27:25,664 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [38] ULTIMATE.startENTRY-->L18-2: Formula: (<= v_ULTIMATE.start_main_~z~0_8 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L18-2true [30] L18-2-->L18-2: Formula: (and (= 1 v_ULTIMATE.start_main_~z~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-07-01 11:27:25,664 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [30] L18-2-->L18-2: Formula: (and (= 1 v_ULTIMATE.start_main_~z~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-07-01 11:27:25,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:25,665 INFO L82 PathProgramCache]: Analyzing trace with hash 2169, now seen corresponding path program 2 times [2020-07-01 11:27:25,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:25,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445740918] [2020-07-01 11:27:25,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:25,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:25,676 INFO L82 PathProgramCache]: Analyzing trace with hash 61, now seen corresponding path program 2 times [2020-07-01 11:27:25,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:25,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125530650] [2020-07-01 11:27:25,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,683 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:25,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 11:27:25,683 INFO L82 PathProgramCache]: Analyzing trace with hash 67269, now seen corresponding path program 3 times [2020-07-01 11:27:25,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 11:27:25,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030388984] [2020-07-01 11:27:25,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 11:27:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 11:27:25,694 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 11:27:25,709 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:25,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:25,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:25,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:25,710 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:27:25,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:25,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:25,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:25,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 11:27:25,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:25,710 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:25,711 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 11:27:25,715 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 11:27:25,744 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:25,744 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:25,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:25,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:25,751 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:27:25,751 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:25,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:25,783 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 11:27:25,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:27:25,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:25,922 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 11:27:25,922 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 14, 15] Nus: [1, 0] [2020-07-01 11:27:25,982 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:25,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:25,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:25,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:25,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 11:27:25,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 11:27:25,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:25,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:25,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:27:25,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:25,983 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:25,984 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 11:27:25,999 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 11:27:26,003 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 11:27:26,005 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 11:27:26,009 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 11:27:26,059 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:26,059 INFO L404 LassoAnalysis]: Checking for nontermination... 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 11:27:26,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 11:27:26,063 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 11:27:26,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 11:27:26,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 11:27:26,286 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 11:27:26,288 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 11:27:26,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 11:27:26,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 11:27:26,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 11:27:26,289 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 11:27:26,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:26,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 11:27:26,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 11:27:26,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 11:27:26,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 11:27:26,289 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 11:27:26,291 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 11:27:26,310 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 11:27:26,313 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 11:27:26,316 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 11:27:26,318 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 11:27:26,366 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 11:27:26,366 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 11:27:26,369 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 11:27:26,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:26,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:26,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 11:27:26,382 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 11:27:26,413 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 11:27:26,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:26,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:26,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,418 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 11:27:26,449 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 11:27:26,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:26,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:26,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,454 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 11:27:26,485 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 11:27:26,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:26,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:26,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,490 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 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 11:27:26,521 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 11:27:26,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 11:27:26,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 11:27:26,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:26,554 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 11:27:26,556 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 11:27:26,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,559 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:26,563 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:27:26,563 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:27:26,573 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 11:27:26,604 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 11:27:26,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,606 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:26,606 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:26,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,608 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 11:27:26,639 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 11:27:26,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,642 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:26,642 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:26,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,644 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 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 11:27:26,675 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 11:27:26,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,677 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:26,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:26,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,679 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 11:27:26,711 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 11:27:26,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:26,713 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:26,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:26,744 INFO L489 LassoAnalysis]: Using template '3-nested'. 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 11:27:26,747 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 11:27:26,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,749 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:26,754 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:26,755 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:26,767 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 11:27:26,798 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 11:27:26,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,801 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:26,801 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:26,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,803 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 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 11:27:26,834 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 11:27:26,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,837 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:26,837 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:26,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,839 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 11:27:26,870 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 11:27:26,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,873 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:26,873 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:26,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,876 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 11:27:26,906 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 11:27:26,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:26,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:26,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:26,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:26,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:26,940 INFO L489 LassoAnalysis]: Using template '4-nested'. 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 11:27:26,943 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 11:27:26,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:26,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:26,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:26,945 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:26,951 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:27:26,952 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:27:26,966 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 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 11:27:26,998 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 11:27:27,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:27,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,000 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,001 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,003 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 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 11:27:27,034 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 11:27:27,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:27,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,038 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,040 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 11:27:27,071 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 11:27:27,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:27,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,074 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,075 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,078 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 11:27:27,109 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 11:27:27,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 11:27:27,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,112 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,112 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:27,143 INFO L489 LassoAnalysis]: Using template '2-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 11:27:27,146 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 11:27:27,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,149 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,149 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:27,153 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 11:27:27,153 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 11:27:27,167 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 11:27:27,199 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 11:27:27,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,201 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,202 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:27,203 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:27,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,206 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 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 11:27:27,238 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 11:27:27,240 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,240 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,241 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:27,241 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:27,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,245 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 11:27:27,277 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 11:27:27,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,279 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,280 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:27,281 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:27,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,283 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 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 11:27:27,315 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 11:27:27,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,317 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,317 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 11:27:27,318 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 11:27:27,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:27,350 INFO L489 LassoAnalysis]: Using template '3-phase'. 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 11:27:27,352 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 11:27:27,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,356 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:27,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,363 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:27,363 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:27,381 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 11:27:27,413 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 11:27:27,416 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,416 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:27,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,416 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,417 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,421 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 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 11:27:27,453 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 11:27:27,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,455 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:27,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,457 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,461 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 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 11:27:27,493 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 11:27:27,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,495 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:27,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,496 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,501 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 11:27:27,533 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 11:27:27,535 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,536 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 11:27:27,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,537 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:27,570 INFO L489 LassoAnalysis]: Using template '4-phase'. 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 11:27:27,573 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 11:27:27,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,576 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:27,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,587 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 11:27:27,587 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 11:27:27,612 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 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 11:27:27,645 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 11:27:27,647 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,647 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:27,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,648 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,650 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,654 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 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 11:27:27,686 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 11:27:27,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,689 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:27,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,691 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,696 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 11:27:27,752 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 11:27:27,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,755 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:27,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,756 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,757 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,762 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 11:27:27,794 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 11:27:27,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,797 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:27,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,798 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 11:27:27,799 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 11:27:27,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:27,833 INFO L489 LassoAnalysis]: Using template '2-lex'. 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 11:27:27,835 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 11:27:27,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,838 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,844 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 11:27:27,844 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 11:27:27,860 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 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:27,893 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 11:27:27,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,897 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,900 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 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:27,933 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 11:27:27,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,935 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,936 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,939 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 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:27,972 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 11:27:27,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:27,974 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:27,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:27,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:27,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:27,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:27,976 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:27,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:27,979 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 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,012 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 11:27:28,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,014 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 11:27:28,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:28,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 11:27:28,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 11:27:28,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:28,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:28,048 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,051 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 11:27:28,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:28,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,054 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:28,062 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 11:27:28,062 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 11:27:28,083 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 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,115 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 11:27:28,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,118 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:28,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:28,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,118 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:28,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:28,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:28,123 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 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,156 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 11:27:28,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,158 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:28,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:28,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,159 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:28,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:28,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:28,164 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 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,196 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 11:27:28,198 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,198 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:28,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:28,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,198 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:28,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:28,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:28,203 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 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 11:27:28,234 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 11:27:28,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 11:27:28,236 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 11:27:28,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 11:27:28,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 11:27:28,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 11:27:28,237 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 11:27:28,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 11:27:28,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 11:27:28,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 11:27:28,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 11:27:28 BasicIcfg [2020-07-01 11:27:28,278 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 11:27:28,281 INFO L168 Benchmark]: Toolchain (without parser) took 6480.90 ms. Allocated memory was 649.6 MB in the beginning and 767.6 MB in the end (delta: 118.0 MB). Free memory was 563.9 MB in the beginning and 648.8 MB in the end (delta: -84.9 MB). Peak memory consumption was 305.9 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,281 INFO L168 Benchmark]: CDTParser took 0.16 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 11:27:28,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.69 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 563.9 MB in the beginning and 638.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 675.8 MB. Free memory was 638.7 MB in the beginning and 637.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,283 INFO L168 Benchmark]: Boogie Preprocessor took 18.71 ms. Allocated memory is still 675.8 MB. Free memory was 637.6 MB in the beginning and 636.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,283 INFO L168 Benchmark]: RCFGBuilder took 215.26 ms. Allocated memory is still 675.8 MB. Free memory was 636.5 MB in the beginning and 622.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,283 INFO L168 Benchmark]: BlockEncodingV2 took 72.18 ms. Allocated memory is still 675.8 MB. Free memory was 622.8 MB in the beginning and 617.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,284 INFO L168 Benchmark]: TraceAbstraction took 144.12 ms. Allocated memory is still 675.8 MB. Free memory was 616.3 MB in the beginning and 607.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,284 INFO L168 Benchmark]: BuchiAutomizer took 5710.50 ms. Allocated memory was 675.8 MB in the beginning and 767.6 MB in the end (delta: 91.8 MB). Free memory was 607.7 MB in the beginning and 648.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 323.4 MB. Max. memory is 50.3 GB. [2020-07-01 11:27:28,288 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 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 281.69 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 563.9 MB in the beginning and 638.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 675.8 MB. Free memory was 638.7 MB in the beginning and 637.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.71 ms. Allocated memory is still 675.8 MB. Free memory was 637.6 MB in the beginning and 636.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 215.26 ms. Allocated memory is still 675.8 MB. Free memory was 636.5 MB in the beginning and 622.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.18 ms. Allocated memory is still 675.8 MB. Free memory was 622.8 MB in the beginning and 617.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 144.12 ms. Allocated memory is still 675.8 MB. Free memory was 616.3 MB in the beginning and 607.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 5710.50 ms. Allocated memory was 675.8 MB in the beginning and 767.6 MB in the end (delta: 91.8 MB). Free memory was 607.7 MB in the beginning and 648.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 323.4 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: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 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=2occurred 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf104 lsp94 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq161 hnf94 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 34ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[38] ULTIMATE.startENTRY-->L18-2: Formula: (<= v_ULTIMATE.start_main_~z~0_8 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0]" "[30] L18-2-->L18-2: Formula: (and (= 1 v_ULTIMATE.start_main_~z~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" Loop: "[30] L18-2-->L18-2: Formula: (and (= 1 v_ULTIMATE.start_main_~z~0_7) (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-07-01 11:27:18.542 ----------------------------------------------- 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_XAokdm/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 11:27:28.521 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check