/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:18:22,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:18:22,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:18:22,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:18:22,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:18:22,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:18:22,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:18:22,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:18:22,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:18:22,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:18:22,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:18:22,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:18:22,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:18:22,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:18:22,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:18:22,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:18:22,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:18:22,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:18:22,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:18:22,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:18:22,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:18:22,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:18:22,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:18:22,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:18:22,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:18:22,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:18:22,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:18:22,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:18:22,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:18:22,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:18:22,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:18:22,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:18:22,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:18:22,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:18:22,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:18:22,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:18:22,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:18:22,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:18:22,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:18:22,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:18:22,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:18:22,082 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:18:22,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:18:22,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:18:22,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:18:22,097 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:18:22,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:18:22,098 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:18:22,098 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:18:22,098 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:18:22,098 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:18:22,098 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:18:22,099 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:18:22,099 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:18:22,099 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:18:22,099 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:18:22,099 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:22,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:18:22,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:18:22,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:18:22,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:18:22,100 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:18:22,100 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:18:22,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:18:22,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:18:22,101 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:18:22,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:18:22,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:18:22,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:18:22,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:18:22,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:18:22,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:18:22,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:18:22,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:18:22,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:18:22,284 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:18:22,285 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:18:22,345 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_g7ldQ8/tmp/91bc075f5e374346ab85d338f6d81606/FLAG82468f4d8 [2020-07-01 12:18:22,674 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:18:22,675 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:18:22,681 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_g7ldQ8/tmp/91bc075f5e374346ab85d338f6d81606/FLAG82468f4d8 [2020-07-01 12:18:23,101 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_g7ldQ8/tmp/91bc075f5e374346ab85d338f6d81606 [2020-07-01 12:18:23,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:18:23,114 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:18:23,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:18:23,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:18:23,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:18:23,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c02d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:18:23,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:18:23,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:18:23,380 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:18:23,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:18:23,411 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:18:23,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23 WrapperNode [2020-07-01 12:18:23,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:18:23,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:18:23,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:18:23,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:18:23,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:18:23,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:18:23,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:18:23,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:18:23,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:18:23,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:18:23,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:18:23,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:18:23,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:18:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:18:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:18:23,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:18:23,683 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:18:23,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:23 BoogieIcfgContainer [2020-07-01 12:18:23,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:18:23,687 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:18:23,687 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:18:23,689 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:18:23,690 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:23" (1/1) ... [2020-07-01 12:18:23,703 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 12:18:23,704 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:18:23,705 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:18:23,706 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:18:23,706 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:18:23,708 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:18:23,708 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:18:23,709 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:18:23,722 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:18:23,729 INFO L200 BlockEncoder]: SBE split 0 edges [2020-07-01 12:18:23,734 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:18:23,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:18:23,746 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:18:23,748 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-07-01 12:18:23,749 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:18:23,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:18:23,755 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-07-01 12:18:23,755 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:18:23,756 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:18:23,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:18:23,756 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:18:23,756 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:18:23,756 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-07-01 12:18:23,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:18:23 BasicIcfg [2020-07-01 12:18:23,757 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:18:23,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:18:23,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:18:23,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:18:23,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:18:23" (1/4) ... [2020-07-01 12:18:23,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5c3aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (2/4) ... [2020-07-01 12:18:23,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5c3aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:23" (3/4) ... [2020-07-01 12:18:23,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5c3aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:18:23" (4/4) ... [2020-07-01 12:18:23,766 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:18:23,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:18:23,784 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:18:23,797 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:18:23,820 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:18:23,820 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:18:23,820 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:18:23,821 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:18:23,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:18:23,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:18:23,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:18:23,821 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:18:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-07-01 12:18:23,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:18:23,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-07-01 12:18:23,895 INFO L271 CegarLoopResult]: At program point L17-2(lines 17 19) the Hoare annotation is: true [2020-07-01 12:18:23,895 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:18:23,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:18:23 BasicIcfg [2020-07-01 12:18:23,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:18:23,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:18:23,904 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:18:23,907 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:18:23,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:18:23,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:18:23" (1/5) ... [2020-07-01 12:18:23,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e79e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:18:23,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:18:23" (2/5) ... [2020-07-01 12:18:23,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e79e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:18:23,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:18:23" (3/5) ... [2020-07-01 12:18:23,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e79e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:18:23,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:18:23" (4/5) ... [2020-07-01 12:18:23,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e79e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:18:23, skipping insertion in model container [2020-07-01 12:18:23,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:18:23,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:18:23" (5/5) ... [2020-07-01 12:18:23,913 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:18:23,942 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:18:23,942 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:18:23,942 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:18:23,942 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:18:23,942 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:18:23,942 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:18:23,943 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:18:23,943 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:18:23,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:18:23,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:18:23,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:18:23,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:18:23,969 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:18:23,969 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:18:23,969 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:18:23,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-01 12:18:23,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-01 12:18:23,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:18:23,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:18:23,971 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:18:23,971 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 12:18:23,976 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [36] ULTIMATE.startENTRY-->L17-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 12:18:23,976 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [25] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 12:18:23,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:23,983 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times [2020-07-01 12:18:23,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:23,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660615753] [2020-07-01 12:18:23,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,062 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:24,064 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2020-07-01 12:18:24,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:24,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935357024] [2020-07-01 12:18:24,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:24,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:24,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2102, now seen corresponding path program 1 times [2020-07-01 12:18:24,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:24,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488411522] [2020-07-01 12:18:24,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:24,093 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:24,137 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:24,137 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:24,138 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:24,138 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:24,138 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:18:24,138 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,138 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:24,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:24,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:18:24,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:24,139 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:24,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,210 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:24,211 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:24,218 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:18:24,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:24,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:24,374 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 14, 15] Nus: [1, 0] [2020-07-01 12:18:24,411 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:24,411 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:24,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:24,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:24,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:18:24,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:24,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:24,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:18:24,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:24,412 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:24,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,486 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:24,486 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:24,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:24,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:24,495 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/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:24,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:24,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:24,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:24,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:24,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:24,571 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:24,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:24,622 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/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 12:18:24,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:18:24,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:24,800 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:18:24,803 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:24,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:24,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:24,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:24,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:18:24,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:24,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:24,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:24,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:18:24,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:24,805 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:24,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:24,883 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:24,889 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:24,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:24,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:24,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:24,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:24,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:24,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:24,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:24,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:24,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:24,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:24,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:24,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:24,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:24,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:24,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:24,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:24,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:24,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:24,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:24,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:24,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:24,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:24,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:24,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:24,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:24,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:24,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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 12:18:25,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:25,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:25,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:18:25,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,069 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,077 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,078 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,117 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,118 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,158 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,198 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,206 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:18:25,206 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:18:25,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,247 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,298 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,339 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,341 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,381 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,391 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:25,391 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:25,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,434 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,442 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:25,444 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:25,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,485 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:25,486 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:25,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,528 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:25,529 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:25,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:25,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,568 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:25,577 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:18:25,578 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:18:25,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,622 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,629 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:25,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,630 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,631 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,670 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:25,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,670 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,672 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,710 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:25,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,712 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:25,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,752 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:25,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,753 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:25,758 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:18:25,758 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:18:25,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,800 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,806 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:25,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,807 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,809 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,849 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:25,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,850 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,852 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,892 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:25,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,893 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,895 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:25,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:25,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,935 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:25,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,935 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:25,941 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:25,941 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:25,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:25,985 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:25,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:25,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:25,993 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:25,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:25,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:25,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:25,994 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:25,995 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:25,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,037 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,038 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:26,040 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:26,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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) [2020-07-01 12:18:26,078 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 Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,081 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,082 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:26,083 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:26,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,126 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,126 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:26,135 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:18:26,135 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:18:26,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:26,203 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,210 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:26,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:26,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:26,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,249 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:26,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,250 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:26,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:26,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,290 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,290 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:26,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:26,291 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:26,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,330 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:26,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,331 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:26,336 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:26,336 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:26,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:26,379 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,387 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,387 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,388 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:26,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:26,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,430 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,430 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:26,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:26,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,472 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:26,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,472 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:26,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:26,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:26,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:26,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:26,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:26,513 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:26,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:26,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:26,514 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:26,522 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:18:26,522 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:18:26,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:26,571 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-07-01 12:18:26,571 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [36] ULTIMATE.startENTRY-->L17-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true [25] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 12:18:26,571 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [25] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L17-2true [2020-07-01 12:18:26,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:26,572 INFO L82 PathProgramCache]: Analyzing trace with hash 2102, now seen corresponding path program 2 times [2020-07-01 12:18:26,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:26,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479064273] [2020-07-01 12:18:26,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,580 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2020-07-01 12:18:26,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:26,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363861558] [2020-07-01 12:18:26,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,588 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:26,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:18:26,588 INFO L82 PathProgramCache]: Analyzing trace with hash 65187, now seen corresponding path program 3 times [2020-07-01 12:18:26,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:18:26,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936190095] [2020-07-01 12:18:26,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:18:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:18:26,597 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:18:26,611 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:26,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:26,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:26,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:26,611 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:18:26,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:26,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:26,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:18:26,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:26,612 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:26,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:26,639 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:26,639 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:26,644 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:18:26,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:26,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:26,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 14, 15] Nus: [1, 0] [2020-07-01 12:18:26,849 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:26,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:26,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:26,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:26,850 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:18:26,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:26,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:26,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:18:26,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:26,850 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:26,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:26,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:26,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:26,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:26,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:26,907 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:26,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:26,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:26,915 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:26,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:26,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:18:26,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:26,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:18:26,989 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:18:27,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:18:27,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:18:27,256 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:18:27,258 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:18:27,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:18:27,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:18:27,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:18:27,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:18:27,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:18:27,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:18:27,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:18:27,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:18:27,259 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:18:27,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:27,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:27,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:27,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:18:27,313 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:18:27,314 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:27,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:27,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,354 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 12:18:27,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:27,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:27,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:27,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:27,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:18:27,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:18:27,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:18:27,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:27,469 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /export/starexec/sandbox2/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 12:18:27,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,475 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:27,475 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:27,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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 12:18:27,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:27,513 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:27,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/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 12:18:27,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,550 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:27,553 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:18:27,553 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:18:27,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:27,597 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:27,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:27,628 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,634 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:27,635 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:27,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,672 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:27,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:27,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,710 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:27,715 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:27,715 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:27,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,761 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:27,762 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:27,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:27,793 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,800 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:27,801 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:27,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:27,839 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:27,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,877 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:27,882 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:18:27,882 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:18:27,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:18:27,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:27,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:27,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:27,961 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:27,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:27,967 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:27,967 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:27,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:27,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:27,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:27,968 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:27,968 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:27,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:27,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,006 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,006 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,007 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:28,007 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:28,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,045 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:28,048 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:18:28,048 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:18:28,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,094 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:18:28,095 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:18:28,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:28,127 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,133 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:28,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,134 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,134 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,172 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,172 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:28,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,173 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,174 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,212 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:28,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,218 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:28,218 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:28,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,266 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 12:18:28,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,268 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-07-01 12:18:28,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,270 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:28,302 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,309 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,309 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:28,311 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:28,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,351 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:28,352 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:28,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,393 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:28,399 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-07-01 12:18:28,399 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-07-01 12:18:28,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,456 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-07-01 12:18:28,458 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-07-01 12:18:28,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:28,491 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,497 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,498 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,498 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,536 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,536 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,537 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,581 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-07-01 12:18:28,581 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-01 12:18:28,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,628 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-07-01 12:18:28,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,629 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-07-01 12:18:28,630 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-01 12:18:28,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:28,662 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,669 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,669 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,670 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:28,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:28,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,710 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,711 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:28,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:28,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,751 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,752 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:28,759 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-07-01 12:18:28,759 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-07-01 12:18:28,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:18:28,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:18:28,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-07-01 12:18:28,812 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-07-01 12:18:28,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:18:28,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:18:28,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:18:28,813 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-07-01 12:18:28,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:18:28,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:18:28,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:18:28,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:18:28 BasicIcfg [2020-07-01 12:18:28,854 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:18:28,857 INFO L168 Benchmark]: Toolchain (without parser) took 5742.65 ms. Allocated memory was 649.6 MB in the beginning and 757.6 MB in the end (delta: 108.0 MB). Free memory was 561.6 MB in the beginning and 423.7 MB in the end (delta: 137.9 MB). Peak memory consumption was 245.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,857 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:18:28,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.12 ms. Allocated memory was 649.6 MB in the beginning and 693.6 MB in the end (delta: 44.0 MB). Free memory was 561.6 MB in the beginning and 657.0 MB in the end (delta: -95.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.96 ms. Allocated memory is still 693.6 MB. Free memory was 657.0 MB in the beginning and 655.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,859 INFO L168 Benchmark]: Boogie Preprocessor took 19.24 ms. Allocated memory is still 693.6 MB. Free memory was 655.7 MB in the beginning and 654.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,859 INFO L168 Benchmark]: RCFGBuilder took 220.58 ms. Allocated memory is still 693.6 MB. Free memory was 654.4 MB in the beginning and 638.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,860 INFO L168 Benchmark]: BlockEncodingV2 took 70.34 ms. Allocated memory is still 693.6 MB. Free memory was 638.8 MB in the beginning and 633.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,860 INFO L168 Benchmark]: TraceAbstraction took 145.13 ms. Allocated memory is still 693.6 MB. Free memory was 633.4 MB in the beginning and 625.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,861 INFO L168 Benchmark]: BuchiAutomizer took 4950.48 ms. Allocated memory was 693.6 MB in the beginning and 757.6 MB in the end (delta: 64.0 MB). Free memory was 625.3 MB in the beginning and 423.7 MB in the end (delta: 201.6 MB). Peak memory consumption was 265.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:18:28,864 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 297.12 ms. Allocated memory was 649.6 MB in the beginning and 693.6 MB in the end (delta: 44.0 MB). Free memory was 561.6 MB in the beginning and 657.0 MB in the end (delta: -95.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.96 ms. Allocated memory is still 693.6 MB. Free memory was 657.0 MB in the beginning and 655.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.24 ms. Allocated memory is still 693.6 MB. Free memory was 655.7 MB in the beginning and 654.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 220.58 ms. Allocated memory is still 693.6 MB. Free memory was 654.4 MB in the beginning and 638.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 70.34 ms. Allocated memory is still 693.6 MB. Free memory was 638.8 MB in the beginning and 633.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 145.13 ms. Allocated memory is still 693.6 MB. Free memory was 633.4 MB in the beginning and 625.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 4950.48 ms. Allocated memory was 693.6 MB in the beginning and 757.6 MB in the end (delta: 64.0 MB). Free memory was 625.3 MB in the beginning and 423.7 MB in the end (delta: 201.6 MB). Peak memory consumption was 265.6 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: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf105 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq149 hnf96 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 30ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[36] ULTIMATE.startENTRY-->L17-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[25] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" Loop: "[25] L17-2-->L17-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_6) (= v_ULTIMATE.start_main_~x~0_5 (+ v_ULTIMATE.start_main_~x~0_6 (* v_ULTIMATE.start_main_~y~0_6 (- 2)) 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-07-01 12:18:19.863 ----------------------------------------------- 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/sandbox2/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/sandbox2/tmp/BenchExec_run_g7ldQ8/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:18:29.098 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check