/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 13:15:23,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 13:15:23,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 13:15:23,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 13:15:23,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 13:15:23,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 13:15:23,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 13:15:23,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 13:15:23,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 13:15:23,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 13:15:23,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 13:15:23,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 13:15:23,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 13:15:23,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 13:15:23,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 13:15:23,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 13:15:23,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 13:15:23,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 13:15:23,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 13:15:23,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 13:15:23,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 13:15:23,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 13:15:23,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 13:15:23,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 13:15:23,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 13:15:23,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 13:15:23,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 13:15:23,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 13:15:23,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 13:15:23,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 13:15:23,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 13:15:23,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 13:15:23,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 13:15:23,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 13:15:23,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 13:15:23,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 13:15:23,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 13:15:23,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 13:15:23,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 13:15:23,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 13:15:23,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 13:15:23,871 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 13:15:23,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 13:15:23,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 13:15:23,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 13:15:23,886 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 13:15:23,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 13:15:23,887 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:15:23,887 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 13:15:23,887 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 13:15:23,887 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 13:15:23,888 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:23,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 13:15:23,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 13:15:23,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 13:15:23,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 13:15:23,889 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 13:15:23,889 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 13:15:23,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 13:15:23,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 13:15:23,890 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 13:15:23,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 13:15:23,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 13:15:23,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 13:15:23,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 13:15:23,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 13:15:24,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 13:15:24,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 13:15:24,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 13:15:24,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 13:15:24,074 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 13:15:24,074 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 13:15:24,142 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_GA8Wu4/tmp/c841628f019040d582a2a2b41f8dbfbb/FLAGfc643464e [2020-07-01 13:15:24,470 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 13:15:24,471 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 13:15:24,477 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_GA8Wu4/tmp/c841628f019040d582a2a2b41f8dbfbb/FLAGfc643464e [2020-07-01 13:15:24,880 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_GA8Wu4/tmp/c841628f019040d582a2a2b41f8dbfbb [2020-07-01 13:15:24,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 13:15:24,893 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 13:15:24,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 13:15:24,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 13:15:24,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 13:15:24,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:15:24" (1/1) ... [2020-07-01 13:15:24,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65916c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:24, skipping insertion in model container [2020-07-01 13:15:24,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 01:15:24" (1/1) ... [2020-07-01 13:15:24,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 13:15:24,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 13:15:25,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:15:25,154 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 13:15:25,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 13:15:25,183 INFO L208 MainTranslator]: Completed translation [2020-07-01 13:15:25,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25 WrapperNode [2020-07-01 13:15:25,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 13:15:25,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 13:15:25,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 13:15:25,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 13:15:25,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 13:15:25,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 13:15:25,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 13:15:25,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 13:15:25,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 13:15:25,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 13:15:25,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 13:15:25,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 13:15:25,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (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 13:15:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 13:15:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 13:15:25,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 13:15:25,456 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 13:15:25,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:25 BoogieIcfgContainer [2020-07-01 13:15:25,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 13:15:25,460 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 13:15:25,460 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 13:15:25,462 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 13:15:25,463 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:25" (1/1) ... [2020-07-01 13:15:25,475 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 13:15:25,476 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 13:15:25,477 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 13:15:25,477 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 13:15:25,478 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 13:15:25,479 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 13:15:25,480 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 13:15:25,480 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 13:15:25,493 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 13:15:25,500 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 13:15:25,506 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 13:15:25,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:15:25,521 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 13:15:25,523 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 13:15:25,524 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 13:15:25,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 13:15:25,524 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 13:15:25,525 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 13:15:25,525 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-07-01 13:15:25,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:15:25 BasicIcfg [2020-07-01 13:15:25,526 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 13:15:25,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 13:15:25,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 13:15:25,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 13:15:25,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 01:15:24" (1/4) ... [2020-07-01 13:15:25,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae4cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (2/4) ... [2020-07-01 13:15:25,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae4cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:25" (3/4) ... [2020-07-01 13:15:25,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae4cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:15:25" (4/4) ... [2020-07-01 13:15:25,534 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:15:25,544 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 13:15:25,552 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 13:15:25,566 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 13:15:25,589 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 13:15:25,589 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 13:15:25,589 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:15:25,590 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:15:25,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:15:25,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 13:15:25,590 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:15:25,590 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 13:15:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 13:15:25,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 13:15:25,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 13:15:25,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 13:15:25,664 INFO L268 CegarLoopResult]: For program point L10(lines 10 11) no Hoare annotation was computed. [2020-07-01 13:15:25,664 INFO L271 CegarLoopResult]: At program point L10-2(lines 9 12) the Hoare annotation is: true [2020-07-01 13:15:25,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:15:25 BasicIcfg [2020-07-01 13:15:25,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 13:15:25,674 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 13:15:25,674 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 13:15:25,677 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 13:15:25,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:15:25,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 01:15:24" (1/5) ... [2020-07-01 13:15:25,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73615698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:15:25,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 01:15:25" (2/5) ... [2020-07-01 13:15:25,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73615698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:15:25,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 01:15:25" (3/5) ... [2020-07-01 13:15:25,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73615698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:15:25,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 01:15:25" (4/5) ... [2020-07-01 13:15:25,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73615698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:15:25, skipping insertion in model container [2020-07-01 13:15:25,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 13:15:25,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 01:15:25" (5/5) ... [2020-07-01 13:15:25,683 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 13:15:25,711 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 13:15:25,711 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 13:15:25,711 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 13:15:25,712 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 13:15:25,712 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 13:15:25,712 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 13:15:25,712 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 13:15:25,712 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 13:15:25,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 13:15:25,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:15:25,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:15:25,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:15:25,738 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:15:25,738 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:15:25,738 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 13:15:25,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 13:15:25,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:15:25,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:15:25,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:15:25,739 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 13:15:25,739 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:15:25,744 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true [2020-07-01 13:15:25,745 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true [2020-07-01 13:15:25,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:25,751 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-07-01 13:15:25,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:25,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477410206] [2020-07-01 13:15:25,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:25,829 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 1 times [2020-07-01 13:15:25,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:25,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889451374] [2020-07-01 13:15:25,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:25,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:25,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:25,842 INFO L82 PathProgramCache]: Analyzing trace with hash 55741, now seen corresponding path program 1 times [2020-07-01 13:15:25,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:25,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487906957] [2020-07-01 13:15:25,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:15:25,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487906957] [2020-07-01 13:15:25,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 13:15:25,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-01 13:15:25,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188202999] [2020-07-01 13:15:25,935 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:25,936 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:25,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:25,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:25,936 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:15:25,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:25,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:25,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:25,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 13:15:25,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:25,937 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:25,957 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 13:15:25,966 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 13:15:25,971 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 13:15:26,054 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:26,055 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 13:15:26,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,091 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:26,091 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,130 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:26,130 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,163 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:15:26,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,209 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 13:15:26,239 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:26,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:26,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:26,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:26,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 13:15:26,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:26,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:26,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:26,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 13:15:26,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:26,240 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:26,243 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 13:15:26,257 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 13:15:26,264 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 13:15:26,342 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:26,348 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:26,354 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 13:15:26,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:26,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:26,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:26,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:26,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:26,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:15:26,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:26,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 13:15:26,375 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 13:15:26,375 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:26,383 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 13:15:26,384 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 13:15:26,385 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 13:15:26,385 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-07-01 13:15:26,419 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 13:15:26,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:26,449 WARN L262 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 13:15:26,450 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:26,460 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 13:15:26,460 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:15:26,474 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 13:15:26,479 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-01 13:15:26,480 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-07-01 13:15:26,505 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. [2020-07-01 13:15:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 13:15:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 13:15:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-07-01 13:15:26,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 13:15:26,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:26,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 13:15:26,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:26,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-01 13:15:26,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:26,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-07-01 13:15:26,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:15:26,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2020-07-01 13:15:26,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 13:15:26,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 13:15:26,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-07-01 13:15:26,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 13:15:26,525 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-07-01 13:15:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-07-01 13:15:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-07-01 13:15:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-01 13:15:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-07-01 13:15:26,553 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-07-01 13:15:26,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 13:15:26,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 13:15:26,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 13:15:26,556 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. [2020-07-01 13:15:26,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 13:15:26,570 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-07-01 13:15:26,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 13:15:26,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-07-01 13:15:26,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:15:26,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 6 transitions. [2020-07-01 13:15:26,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-07-01 13:15:26,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 13:15:26,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2020-07-01 13:15:26,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 13:15:26,574 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-07-01 13:15:26,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2020-07-01 13:15:26,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-07-01 13:15:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 13:15:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-07-01 13:15:26,575 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-07-01 13:15:26,575 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-07-01 13:15:26,575 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 13:15:26,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2020-07-01 13:15:26,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 13:15:26,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:15:26,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:15:26,577 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 13:15:26,577 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:15:26,577 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 58#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 55#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 [2020-07-01 13:15:26,577 INFO L796 eck$LassoCheckResult]: Loop: 56#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 59#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 [2020-07-01 13:15:26,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:26,578 INFO L82 PathProgramCache]: Analyzing trace with hash 55731, now seen corresponding path program 1 times [2020-07-01 13:15:26,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:26,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995909455] [2020-07-01 13:15:26,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:26,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:26,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 2 times [2020-07-01 13:15:26,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:26,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347298838] [2020-07-01 13:15:26,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:26,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:26,594 INFO L82 PathProgramCache]: Analyzing trace with hash 53558455, now seen corresponding path program 1 times [2020-07-01 13:15:26,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:26,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092720058] [2020-07-01 13:15:26,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:26,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:26,618 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:26,618 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:26,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:26,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:26,618 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:15:26,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:26,619 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:26,619 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 13:15:26,619 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:26,619 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:26,621 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 13:15:26,624 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 13:15:26,627 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 13:15:26,681 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:26,682 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:26,690 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:26,731 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:26,765 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:26,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:15:26,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:26,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 13:15:26,842 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:26,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:26,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:26,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:26,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 13:15:26,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:26,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:26,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:26,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 13:15:26,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:26,844 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:26,846 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 13:15:26,850 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 13:15:26,854 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 13:15:26,930 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:26,931 INFO L489 LassoAnalysis]: Using template 'affine'. 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 13:15:26,935 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 13:15:26,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:26,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:26,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:26,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:26,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:26,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:15:26,947 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 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 13:15:26,982 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 13:15:26,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:26,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:26,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:26,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:26,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:26,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:15:26,997 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 13:15:27,034 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 13:15:27,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:27,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:27,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:27,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:27,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:27,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:15:27,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:27,043 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 13:15:27,047 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 13:15:27,047 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:27,056 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 13:15:27,057 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 13:15:27,057 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 13:15:27,057 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-07-01 13:15:27,088 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 13:15:27,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:27,115 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 13:15:27,116 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:27,122 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 13:15:27,123 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:15:27,123 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-07-01 13:15:27,124 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-01 13:15:27,124 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-07-01 13:15:27,136 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 9 transitions. Complement of second has 4 states. [2020-07-01 13:15:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 13:15:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 13:15:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-07-01 13:15:27,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 13:15:27,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-01 13:15:27,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2020-07-01 13:15:27,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2020-07-01 13:15:27,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 13:15:27,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. [2020-07-01 13:15:27,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 13:15:27,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 13:15:27,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2020-07-01 13:15:27,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 13:15:27,141 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-07-01 13:15:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2020-07-01 13:15:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-07-01 13:15:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-01 13:15:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2020-07-01 13:15:27,142 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-07-01 13:15:27,142 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-07-01 13:15:27,142 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 13:15:27,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2020-07-01 13:15:27,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 13:15:27,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:15:27,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:15:27,143 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 13:15:27,144 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 13:15:27,144 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 106#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 [2020-07-01 13:15:27,144 INFO L796 eck$LassoCheckResult]: Loop: 101#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 102#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 [2020-07-01 13:15:27,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 1 times [2020-07-01 13:15:27,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223749267] [2020-07-01 13:15:27,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1735, now seen corresponding path program 1 times [2020-07-01 13:15:27,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736596411] [2020-07-01 13:15:27,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,157 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1727691, now seen corresponding path program 2 times [2020-07-01 13:15:27,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090478959] [2020-07-01 13:15:27,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,188 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:27,188 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:27,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:27,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:27,189 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:15:27,189 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,189 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:27,189 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:27,189 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 13:15:27,189 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:27,189 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:27,191 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 13:15:27,194 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 13:15:27,202 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 13:15:27,243 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:27,243 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:27,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,288 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:15:27,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,377 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 13:15:27,379 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:27,379 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:27,379 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:27,380 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:27,380 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 13:15:27,380 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:27,380 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:27,380 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:27,380 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 13:15:27,380 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:27,380 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:27,382 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 13:15:27,390 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 13:15:27,394 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 13:15:27,438 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:27,439 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:27,443 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 13:15:27,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:27,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:27,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:27,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:27,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:27,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:15:27,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:27,454 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 13:15:27,457 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 13:15:27,457 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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 13:15:27,466 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 13:15:27,466 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 13:15:27,467 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 13:15:27,467 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2020-07-01 13:15:27,498 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 13:15:27,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:27,525 INFO L264 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 13:15:27,526 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 13:15:27,530 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 13:15:27,530 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 13:15:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 13:15:27,570 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-07-01 13:15:27,570 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-07-01 13:15:27,570 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 3 states. [2020-07-01 13:15:27,631 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 10 states. [2020-07-01 13:15:27,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2020-07-01 13:15:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 13:15:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-07-01 13:15:27,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 13:15:27,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-01 13:15:27,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-01 13:15:27,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 13:15:27,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2020-07-01 13:15:27,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 13:15:27,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 7 states and 8 transitions. [2020-07-01 13:15:27,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-07-01 13:15:27,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-07-01 13:15:27,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2020-07-01 13:15:27,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 13:15:27,638 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2020-07-01 13:15:27,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2020-07-01 13:15:27,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-07-01 13:15:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-01 13:15:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-07-01 13:15:27,639 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-07-01 13:15:27,639 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-07-01 13:15:27,639 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 13:15:27,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-07-01 13:15:27,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-01 13:15:27,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 13:15:27,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 13:15:27,640 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 13:15:27,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2020-07-01 13:15:27,640 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-07-01 13:15:27,641 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-07-01 13:15:27,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 2 times [2020-07-01 13:15:27,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364172087] [2020-07-01 13:15:27,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 1 times [2020-07-01 13:15:27,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143827269] [2020-07-01 13:15:27,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:27,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 2 times [2020-07-01 13:15:27,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:27,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608791685] [2020-07-01 13:15:27,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:27,664 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:27,696 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:27,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:27,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:27,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:27,696 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 13:15:27,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:27,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:27,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 13:15:27,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:27,697 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:27,698 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 13:15:27,701 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 13:15:27,704 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 13:15:27,708 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 13:15:27,755 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:27,756 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,760 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,763 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:27,764 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 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,801 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:27,801 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 13:15:27,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 13:15:27,872 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 13:15:27,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 13:15:27,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 13:15:27,943 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 13:15:27,945 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 13:15:27,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 13:15:27,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 13:15:27,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 13:15:27,945 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 13:15:27,946 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:27,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 13:15:27,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 13:15:27,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-07-01 13:15:27,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 13:15:27,946 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 13:15:27,947 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 13:15:27,950 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 13:15:27,953 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 13:15:27,960 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 13:15:28,010 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 13:15:28,011 INFO L489 LassoAnalysis]: Using template 'affine'. 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 13:15:28,018 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 13:15:28,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:28,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 13:15:28,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,023 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 13:15:28,055 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 13:15:28,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:28,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:28,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:15:28,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:28,098 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 13:15:28,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:28,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:28,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:15:28,109 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 13:15:28,141 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 13:15:28,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 13:15:28,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:28,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 13:15:28,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:28,179 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 13:15:28,183 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 13:15:28,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,187 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:15:28,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,189 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 13:15:28,221 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 13:15:28,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,224 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,227 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,227 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,233 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 13:15:28,266 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 13:15:28,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,268 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,273 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,273 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:28,314 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 13:15:28,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,317 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,320 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,320 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:28,355 INFO L489 LassoAnalysis]: Using template '3-nested'. 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 13:15:28,359 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 13:15:28,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:15:28,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,365 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 13:15:28,397 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 13:15:28,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,400 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,403 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:28,403 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:28,410 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 13:15:28,442 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 13:15:28,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,445 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,449 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:28,449 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:28,458 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 13:15:28,491 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 13:15:28,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,494 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,497 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:28,497 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:28,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:28,533 INFO L489 LassoAnalysis]: Using template '4-nested'. 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 13:15:28,544 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 13:15:28,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,548 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:28,549 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:15:28,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,551 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 13:15:28,583 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 13:15:28,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,586 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:28,590 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:28,590 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:28,600 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 13:15:28,632 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 13:15:28,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,635 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:28,640 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:28,641 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:28,651 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 13:15:28,684 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 13:15:28,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 13:15:28,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,687 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:28,691 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:28,691 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:28,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:28,728 INFO L489 LassoAnalysis]: Using template '2-phase'. 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 13:15:28,733 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 13:15:28,735 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,735 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:28,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,736 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,736 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 13:15:28,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,740 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 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 13:15:28,773 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 13:15:28,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,775 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:28,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,776 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,778 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,778 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,785 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 13:15:28,817 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 13:15:28,819 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,820 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:28,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,820 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,824 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,824 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,833 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 13:15:28,865 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 13:15:28,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:28,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 13:15:28,871 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 13:15:28,871 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 13:15:28,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:28,906 INFO L489 LassoAnalysis]: Using template '3-phase'. 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 13:15:28,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 13:15:28,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:15:28,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:28,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,913 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,914 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:15:28,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:28,918 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 13:15:28,950 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 13:15:28,952 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:28,952 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:15:28,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:28,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:28,953 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:28,956 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:28,956 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:28,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:28,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 13:15:29,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,000 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:15:29,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,000 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,005 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:29,005 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:29,019 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 13:15:29,051 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 13:15:29,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,054 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 13:15:29,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,058 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:29,058 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:29,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:29,095 INFO L489 LassoAnalysis]: Using template '4-phase'. 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 13:15:29,099 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 13:15:29,101 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,101 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:29,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,102 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:29,104 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 13:15:29,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:29,108 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 13:15:29,140 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 13:15:29,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,143 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,143 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:29,147 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:29,147 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:29,159 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 13:15:29,191 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 13:15:29,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,194 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:29,200 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:29,200 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:29,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:29,251 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 13:15:29,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,254 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,254 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 13:15:29,258 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 13:15:29,258 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 13:15:29,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:29,297 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:29,301 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 13:15:29,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,303 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:29,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:29,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,304 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 13:15:29,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:29,308 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:29,340 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 13:15:29,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,342 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:29,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,345 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:29,345 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:29,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:29,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 13:15:29,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,386 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:29,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,387 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,390 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:29,390 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:29,402 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 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 13:15:29,434 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 13:15:29,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,436 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 13:15:29,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,436 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 13:15:29,439 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 13:15:29,439 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 13:15:29,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:29,474 INFO L489 LassoAnalysis]: Using template '3-lex'. 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 13:15:29,478 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 13:15:29,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,480 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 13:15:29,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,481 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:15:29,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 13:15:29,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 13:15:29,485 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 13:15:29,518 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 13:15:29,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,520 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,521 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:15:29,524 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:15:29,525 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:15:29,534 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 13:15:29,567 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 13:15:29,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,570 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:15:29,575 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:15:29,575 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:15:29,596 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 13:15:29,629 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 13:15:29,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 13:15:29,631 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 13:15:29,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 13:15:29,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 13:15:29,632 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 13:15:29,636 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 13:15:29,636 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 13:15:29,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 13:15:29,676 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 13:15:29,676 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-07-01 13:15:29,676 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-07-01 13:15:29,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:29,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 3 times [2020-07-01 13:15:29,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:29,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34260613] [2020-07-01 13:15:29,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,686 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:29,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:29,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 2 times [2020-07-01 13:15:29,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:29,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576976117] [2020-07-01 13:15:29,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,693 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:29,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 13:15:29,694 INFO L82 PathProgramCache]: Analyzing trace with hash -265470839, now seen corresponding path program 4 times [2020-07-01 13:15:29,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 13:15:29,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102785697] [2020-07-01 13:15:29,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 13:15:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 13:15:29,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 13:15:29,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 01:15:29 BasicIcfg [2020-07-01 13:15:29,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 13:15:29,773 INFO L168 Benchmark]: Toolchain (without parser) took 4879.30 ms. Allocated memory was 514.9 MB in the beginning and 599.8 MB in the end (delta: 84.9 MB). Free memory was 437.9 MB in the beginning and 435.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,774 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 514.9 MB. Free memory is still 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 13:15:29,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.21 ms. Allocated memory was 514.9 MB in the beginning and 562.6 MB in the end (delta: 47.7 MB). Free memory was 437.9 MB in the beginning and 530.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.82 ms. Allocated memory is still 562.6 MB. Free memory was 530.0 MB in the beginning and 528.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,775 INFO L168 Benchmark]: Boogie Preprocessor took 19.31 ms. Allocated memory is still 562.6 MB. Free memory was 528.6 MB in the beginning and 527.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,775 INFO L168 Benchmark]: RCFGBuilder took 221.18 ms. Allocated memory is still 562.6 MB. Free memory was 527.3 MB in the beginning and 516.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,776 INFO L168 Benchmark]: BlockEncodingV2 took 65.55 ms. Allocated memory is still 562.6 MB. Free memory was 516.0 MB in the beginning and 511.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,776 INFO L168 Benchmark]: TraceAbstraction took 146.30 ms. Allocated memory is still 562.6 MB. Free memory was 510.6 MB in the beginning and 502.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,777 INFO L168 Benchmark]: BuchiAutomizer took 4096.97 ms. Allocated memory was 562.6 MB in the beginning and 599.8 MB in the end (delta: 37.2 MB). Free memory was 502.4 MB in the beginning and 435.4 MB in the end (delta: 67.0 MB). Peak memory consumption was 104.2 MB. Max. memory is 50.3 GB. [2020-07-01 13:15:29,779 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 514.9 MB. Free memory is still 458.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 290.21 ms. Allocated memory was 514.9 MB in the beginning and 562.6 MB in the end (delta: 47.7 MB). Free memory was 437.9 MB in the beginning and 530.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.82 ms. Allocated memory is still 562.6 MB. Free memory was 530.0 MB in the beginning and 528.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.31 ms. Allocated memory is still 562.6 MB. Free memory was 528.6 MB in the beginning and 527.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 221.18 ms. Allocated memory is still 562.6 MB. Free memory was 527.3 MB in the beginning and 516.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 65.55 ms. Allocated memory is still 562.6 MB. Free memory was 516.0 MB in the beginning and 511.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. * TraceAbstraction took 146.30 ms. Allocated memory is still 562.6 MB. Free memory was 510.6 MB in the beginning and 502.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 4096.97 ms. Allocated memory was 562.6 MB in the beginning and 599.8 MB in the end (delta: 37.2 MB). Free memory was 502.4 MB in the beginning and 435.4 MB in the end (delta: 67.0 MB). Peak memory consumption was 104.2 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: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax222 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf92 smp100 dnf100 smp100 tf115 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=49} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 13:15:21.643 ----------------------------------------------- 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_GA8Wu4/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 13:15:30.014 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check