/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:35:22,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:35:22,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:35:22,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:35:22,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:35:22,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:35:22,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:35:22,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:35:22,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:35:22,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:35:22,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:35:22,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:35:22,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:35:22,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:35:22,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:35:22,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:35:22,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:35:22,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:35:22,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:35:22,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:35:22,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:35:22,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:35:22,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:35:22,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:35:22,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:35:22,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:35:22,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:35:22,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:35:22,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:35:22,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:35:22,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:35:22,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:35:22,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:35:22,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:35:22,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:35:22,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:35:22,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:35:22,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:35:22,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:35:22,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:35:22,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:35:22,107 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 12:35:22,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:35:22,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:35:22,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:35:22,123 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:35:22,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:35:22,123 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:35:22,123 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:35:22,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:35:22,124 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:35:22,125 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:22,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:35:22,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:35:22,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:35:22,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:35:22,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:35:22,126 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:35:22,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:35:22,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:35:22,126 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:35:22,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:35:22,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:35:22,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:35:22,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:35:22,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:35:22,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:35:22,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:35:22,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:35:22,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:35:22,311 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:35:22,311 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:35:22,420 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_g61bAW/tmp/f82e6f6109874c7e902639f040786082/FLAG2622019ef [2020-07-01 12:35:22,758 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:35:22,758 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 12:35:22,765 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_g61bAW/tmp/f82e6f6109874c7e902639f040786082/FLAG2622019ef [2020-07-01 12:35:23,158 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_g61bAW/tmp/f82e6f6109874c7e902639f040786082 [2020-07-01 12:35:23,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:35:23,171 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:35:23,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:35:23,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:35:23,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:35:23,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c187921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:35:23,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:35:23,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:35:23,427 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:35:23,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:35:23,458 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:35:23,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23 WrapperNode [2020-07-01 12:35:23,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:35:23,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:35:23,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:35:23,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:35:23,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:35:23,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:35:23,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:35:23,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:35:23,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:35:23,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:35:23,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:35:23,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:35:23,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (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 12:35:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:35:23,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:35:23,737 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:35:23,737 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:35:23,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:35:23 BoogieIcfgContainer [2020-07-01 12:35:23,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:35:23,742 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:35:23,742 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:35:23,744 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:35:23,744 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:35:23" (1/1) ... [2020-07-01 12:35:23,757 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges [2020-07-01 12:35:23,759 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:35:23,759 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:35:23,760 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:35:23,760 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:35:23,762 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:35:23,763 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:35:23,763 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:35:23,778 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:35:23,793 INFO L200 BlockEncoder]: SBE split 2 edges [2020-07-01 12:35:23,797 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:35:23,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:35:23,810 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:35:23,812 INFO L70 RemoveSinkStates]: Removed 7 edges and 2 locations by removing sink states [2020-07-01 12:35:23,814 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:35:23,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:35:23,830 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 12:35:23,831 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:35:23,831 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:35:23,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:35:23,832 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:35:23,832 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:35:23,832 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 12:35:23,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:35:23 BasicIcfg [2020-07-01 12:35:23,833 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:35:23,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:35:23,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:35:23,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:35:23,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:35:23" (1/4) ... [2020-07-01 12:35:23,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8505d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (2/4) ... [2020-07-01 12:35:23,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8505d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:35:23" (3/4) ... [2020-07-01 12:35:23,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8505d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:35:23" (4/4) ... [2020-07-01 12:35:23,843 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:35:23,854 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:35:23,861 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:35:23,874 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:35:23,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:35:23,897 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:35:23,897 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:35:23,898 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:35:23,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:35:23,898 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:35:23,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:35:23,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:35:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 12:35:23,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:35:23,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 12:35:23,974 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:35:23,975 INFO L268 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2020-07-01 12:35:23,975 INFO L271 CegarLoopResult]: At program point L24-2(lines 23 30) the Hoare annotation is: true [2020-07-01 12:35:23,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:35:23 BasicIcfg [2020-07-01 12:35:23,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:35:23,984 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:35:23,985 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:35:23,988 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:35:23,989 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:35:23,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:35:23" (1/5) ... [2020-07-01 12:35:23,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300672ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:35:23,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:35:23" (2/5) ... [2020-07-01 12:35:23,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300672ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,990 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:35:23,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:35:23" (3/5) ... [2020-07-01 12:35:23,991 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300672ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:35:23,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:35:23" (4/5) ... [2020-07-01 12:35:23,992 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@300672ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:35:23, skipping insertion in model container [2020-07-01 12:35:23,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:35:23,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:35:23" (5/5) ... [2020-07-01 12:35:23,994 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:35:24,022 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:35:24,022 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:35:24,022 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:35:24,022 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:35:24,022 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:35:24,023 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:35:24,023 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:35:24,023 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:35:24,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:35:24,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:35:24,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:35:24,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:35:24,050 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:35:24,050 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:35:24,050 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:35:24,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:35:24,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:35:24,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:35:24,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:35:24,051 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:35:24,051 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:35:24,056 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [62] ULTIMATE.startENTRY-->L24-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_13 536870912) (< v_ULTIMATE.start_main_~N~0_11 536870912) (<= 0 (+ v_ULTIMATE.start_main_~y~0_13 v_ULTIMATE.start_main_~x~0_17)) (<= 0 (+ v_ULTIMATE.start_main_~x~0_17 1073741824)) (< v_ULTIMATE.start_main_~x~0_17 536870912)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_8|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~N~0, ULTIMATE.start_main_~x~0] 4#L24-2true [2020-07-01 12:35:24,057 INFO L796 eck$LassoCheckResult]: Loop: 4#L24-2true [43] L24-2-->L24: Formula: (<= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~N~0_8) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~N~0=v_ULTIMATE.start_main_~N~0_8} AuxVars[] AssignedVars[] 5#L24true [57] L24-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_10 (+ (* v_ULTIMATE.start_main_~x~0_11 2) v_ULTIMATE.start_main_~y~0_9)) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1)) (> 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L24-2true [2020-07-01 12:35:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:35:24,063 INFO L82 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2020-07-01 12:35:24,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:35:24,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045437846] [2020-07-01 12:35:24,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:35:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,147 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:35:24,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:35:24,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2351, now seen corresponding path program 1 times [2020-07-01 12:35:24,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:35:24,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569680352] [2020-07-01 12:35:24,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:35:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,163 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:35:24,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:35:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash 90763, now seen corresponding path program 1 times [2020-07-01 12:35:24,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:35:24,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645157628] [2020-07-01 12:35:24,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:35:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:35:24,181 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:35:24,230 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:35:24,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:35:24,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:35:24,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:35:24,232 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:35:24,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:24,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:35:24,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:35:24,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:35:24,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:35:24,233 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:35:24,252 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 12:35:24,262 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 12:35:24,268 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 12:35:24,275 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 12:35:24,387 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:35:24,388 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 12:35:24,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,406 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,406 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/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 12:35:24,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/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 12:35:24,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=-1} Honda state: {ULTIMATE.start_main_#t~nondet3=-1} 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 12:35:24,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,538 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 12:35:24,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:35:24,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,616 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,616 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~N~0=6, ULTIMATE.start_main_~x~0=6} Honda state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~N~0=6, ULTIMATE.start_main_~x~0=6} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-3, ULTIMATE.start_main_~N~0=4, ULTIMATE.start_main_~x~0=3}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~N~0=1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~N~0=-5, ULTIMATE.start_main_~x~0=-5}] Lambdas: [1, 6, 1] Nus: [0, 1] [2020-07-01 12:35:24,682 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:35:24,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:35:24,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:35:24,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:35:24,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:35:24,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:24,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:35:24,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:35:24,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:35:24,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:35:24,684 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:35:24,686 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 12:35:24,690 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 12:35:24,693 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 12:35:24,696 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 12:35:24,699 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 12:35:24,702 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 12:35:24,706 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 12:35:24,709 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 12:35:24,832 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:35:24,832 INFO L404 LassoAnalysis]: Checking for nontermination... 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 12:35:24,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,847 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,847 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 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 12:35:24,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,886 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:24,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,926 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,927 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:24,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:24,965 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:24,965 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:24,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:24,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:25,002 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:25,002 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:25,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:25,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:25,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:25,040 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=-1} Honda state: {ULTIMATE.start_main_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:25,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:25,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:25,079 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:35:25,079 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:25,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:35:25,114 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:35:25,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:35:25,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:35:37,301 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-07-01 12:35:37,314 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:35:37,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:35:37,315 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:35:37,315 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:35:37,315 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:35:37,316 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:35:37,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:35:37,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:35:37,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-07-01 12:35:37,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:35:37,316 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:35:37,319 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 12:35:37,323 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 12:35:37,326 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 12:35:37,329 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 12:35:37,331 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 12:35:37,333 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 12:35:37,354 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 12:35:37,364 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 12:35:37,469 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:35:37,475 INFO L489 LassoAnalysis]: Using template 'affine'. 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 12:35:37,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:35:37,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:35:37,498 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 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 12:35:37,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:35:37,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,543 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 12:35:37,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:35:37,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,583 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 12:35:37,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:35:37,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,623 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 12:35:37,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:35:37,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,663 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 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 12:35:37,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:35:37,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:35:37,724 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 12:35:37,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:35:37,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:35:37,772 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 12:35:37,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:35:37,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:35:37,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-01 12:35:37,844 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 12:35:37,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,852 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:37,855 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:35:37,856 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:35:37,862 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 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 12:35:37,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,901 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:37,903 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:35:37,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,906 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 12:35:37,940 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 12:35:37,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,943 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:37,944 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:35:37,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,947 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 12:35:37,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:37,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:37,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:37,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:37,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:37,982 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:37,983 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:35:37,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:37,986 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 12:35:38,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:38,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:38,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:35:38,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:38,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:38,022 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:38,023 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-01 12:35:38,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:35:38,026 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 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 12:35:38,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:35:38,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:35:38,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:35:38,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:35:38,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-01 12:35:38,071 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-01 12:35:38,072 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-01 12:35:38,094 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:35:38,121 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-07-01 12:35:38,122 INFO L444 ModelExtractionUtils]: 7 out of 21 variables were initially zero. Simplification set additionally 4 variables to zero. 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 12:35:38,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:35:38,136 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 3. [2020-07-01 12:35:38,137 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:35:38,138 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0 - 2*ULTIMATE.start_main_~x~0 + 1 f1 = -2*ULTIMATE.start_main_~x~0 + 1073741823 Supporting invariants [-1*ULTIMATE.start_main_~N~0 + 536870911 >= 0, 1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~y~0 >= 0] [2020-07-01 12:35:38,179 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2020-07-01 12:35:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:35:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:35:38,249 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:35:38,250 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:35:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:35:38,293 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-01 12:35:38,294 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:35:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:35:38,606 INFO L98 LoopCannibalizer]: 9 predicates before loop cannibalization 9 predicates after loop cannibalization [2020-07-01 12:35:38,612 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2020-07-01 12:35:38,613 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-07-01 12:35:38,774 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 5 states and 8 transitions. Complement of second has 4 states. [2020-07-01 12:35:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-01 12:35:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:35:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-07-01 12:35:38,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:35:38,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:35:38,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 12:35:38,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:35:38,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-01 12:35:38,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:35:38,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 8 transitions. [2020-07-01 12:35:38,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:35:38,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. [2020-07-01 12:35:38,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:35:38,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:35:38,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:35:38,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:35:38,794 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:35:38,794 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:35:38,794 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:35:38,794 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:35:38,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:35:38,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:35:38,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:35:38,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:35:38 BasicIcfg [2020-07-01 12:35:38,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:35:38,804 INFO L168 Benchmark]: Toolchain (without parser) took 15632.15 ms. Allocated memory was 649.6 MB in the beginning and 755.0 MB in the end (delta: 105.4 MB). Free memory was 557.5 MB in the beginning and 645.4 MB in the end (delta: -87.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,804 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:35:38,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.99 ms. Allocated memory was 649.6 MB in the beginning and 693.1 MB in the end (delta: 43.5 MB). Free memory was 557.5 MB in the beginning and 658.1 MB in the end (delta: -100.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 693.1 MB. Free memory was 657.0 MB in the beginning and 655.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,807 INFO L168 Benchmark]: Boogie Preprocessor took 19.34 ms. Allocated memory is still 693.1 MB. Free memory was 655.9 MB in the beginning and 654.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,807 INFO L168 Benchmark]: RCFGBuilder took 228.84 ms. Allocated memory is still 693.1 MB. Free memory was 654.8 MB in the beginning and 638.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,808 INFO L168 Benchmark]: BlockEncodingV2 took 91.59 ms. Allocated memory is still 693.1 MB. Free memory was 638.1 MB in the beginning and 632.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,808 INFO L168 Benchmark]: TraceAbstraction took 149.43 ms. Allocated memory is still 693.1 MB. Free memory was 631.6 MB in the beginning and 623.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,809 INFO L168 Benchmark]: BuchiAutomizer took 14816.64 ms. Allocated memory was 693.1 MB in the beginning and 755.0 MB in the end (delta: 61.9 MB). Free memory was 623.0 MB in the beginning and 645.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 39.5 MB. Max. memory is 50.3 GB. [2020-07-01 12:35:38,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 13 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 577.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 286.99 ms. Allocated memory was 649.6 MB in the beginning and 693.1 MB in the end (delta: 43.5 MB). Free memory was 557.5 MB in the beginning and 658.1 MB in the end (delta: -100.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.17 ms. Allocated memory is still 693.1 MB. Free memory was 657.0 MB in the beginning and 655.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.34 ms. Allocated memory is still 693.1 MB. Free memory was 655.9 MB in the beginning and 654.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 228.84 ms. Allocated memory is still 693.1 MB. Free memory was 654.8 MB in the beginning and 638.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 91.59 ms. Allocated memory is still 693.1 MB. Free memory was 638.1 MB in the beginning and 632.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 149.43 ms. Allocated memory is still 693.1 MB. Free memory was 631.6 MB in the beginning and 623.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 14816.64 ms. Allocated memory was 693.1 MB in the beginning and 755.0 MB in the end (delta: 61.9 MB). Free memory was 623.0 MB in the beginning and 645.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 39.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * y + -2 * x + 1 > 0 then 1 else 0), (if -2 * y + -2 * x + 1 > 0 then -2 * y + -2 * x + 1 else -2 * x + 1073741823) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax143 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf94 smp100 dnf100 smp100 tf102 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:35:19.801 ----------------------------------------------- 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_g61bAW/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:35:39.047 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check