/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 12:58:37,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 12:58:37,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 12:58:37,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 12:58:37,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 12:58:37,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 12:58:37,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 12:58:37,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 12:58:37,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 12:58:37,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 12:58:37,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 12:58:37,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 12:58:37,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 12:58:37,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 12:58:37,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 12:58:37,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 12:58:37,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 12:58:37,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 12:58:37,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 12:58:37,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 12:58:37,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 12:58:37,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 12:58:37,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 12:58:37,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 12:58:37,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 12:58:37,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 12:58:37,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 12:58:37,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 12:58:37,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 12:58:37,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 12:58:37,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 12:58:37,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 12:58:37,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 12:58:37,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 12:58:37,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 12:58:37,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 12:58:37,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 12:58:37,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 12:58:37,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 12:58:37,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 12:58:37,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 12:58:37,105 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-07-01 12:58:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 12:58:37,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 12:58:37,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 12:58:37,122 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 12:58:37,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 12:58:37,122 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:58:37,122 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 12:58:37,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 12:58:37,123 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 12:58:37,123 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 12:58:37,123 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 12:58:37,123 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 12:58:37,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 12:58:37,124 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 12:58:37,124 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:37,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 12:58:37,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 12:58:37,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 12:58:37,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 12:58:37,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 12:58:37,125 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 12:58:37,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 12:58:37,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 12:58:37,125 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 12:58:37,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:58:37,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 12:58:37,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 12:58:37,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 12:58:37,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 12:58:37,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 12:58:37,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 12:58:37,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 12:58:37,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 12:58:37,313 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 12:58:37,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:58:37,447 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_5nu5Rn/tmp/e5c9b1aefd764d0188f79f7c506038ad/FLAGf1aa375c0 [2020-07-01 12:58:37,776 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 12:58:37,777 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-07-01 12:58:37,783 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_5nu5Rn/tmp/e5c9b1aefd764d0188f79f7c506038ad/FLAGf1aa375c0 [2020-07-01 12:58:38,259 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_5nu5Rn/tmp/e5c9b1aefd764d0188f79f7c506038ad [2020-07-01 12:58:38,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 12:58:38,272 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 12:58:38,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 12:58:38,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 12:58:38,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 12:58:38,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43731eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38, skipping insertion in model container [2020-07-01 12:58:38,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 12:58:38,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 12:58:38,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:58:38,529 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 12:58:38,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 12:58:38,559 INFO L208 MainTranslator]: Completed translation [2020-07-01 12:58:38,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38 WrapperNode [2020-07-01 12:58:38,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 12:58:38,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 12:58:38,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 12:58:38,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 12:58:38,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 12:58:38,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 12:58:38,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 12:58:38,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 12:58:38,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 12:58:38,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 12:58:38,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 12:58:38,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 12:58:38,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 12:58:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 12:58:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 12:58:38,829 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 12:58:38,829 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-01 12:58:38,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:58:38 BoogieIcfgContainer [2020-07-01 12:58:38,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 12:58:38,833 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 12:58:38,833 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 12:58:38,836 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 12:58:38,836 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:58:38" (1/1) ... [2020-07-01 12:58:38,849 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-07-01 12:58:38,851 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 12:58:38,852 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 12:58:38,852 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 12:58:38,853 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 12:58:38,854 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 12:58:38,855 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 12:58:38,855 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 12:58:38,870 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 12:58:38,884 INFO L200 BlockEncoder]: SBE split 1 edges [2020-07-01 12:58:38,888 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-07-01 12:58:38,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:58:38,903 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 12:58:38,905 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-07-01 12:58:38,907 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 12:58:38,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 12:58:38,907 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 12:58:38,907 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 12:58:38,908 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-07-01 12:58:38,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:58:38 BasicIcfg [2020-07-01 12:58:38,908 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 12:58:38,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 12:58:38,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 12:58:38,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 12:58:38,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 12:58:38" (1/4) ... [2020-07-01 12:58:38,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474d5dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:58:38, skipping insertion in model container [2020-07-01 12:58:38,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (2/4) ... [2020-07-01 12:58:38,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474d5dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 12:58:38, skipping insertion in model container [2020-07-01 12:58:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:58:38" (3/4) ... [2020-07-01 12:58:38,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474d5dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:58:38, skipping insertion in model container [2020-07-01 12:58:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:58:38" (4/4) ... [2020-07-01 12:58:38,917 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:58:38,928 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 12:58:38,935 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 12:58:38,949 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 12:58:38,972 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 12:58:38,973 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 12:58:38,973 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:58:38,973 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:58:38,973 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:58:38,973 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 12:58:38,973 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:58:38,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 12:58:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-07-01 12:58:38,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 12:58:38,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-07-01 12:58:39,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 12:58:39,047 INFO L268 CegarLoopResult]: For program point L12(lines 12 16) no Hoare annotation was computed. [2020-07-01 12:58:39,047 INFO L271 CegarLoopResult]: At program point L12-2(lines 11 17) the Hoare annotation is: true [2020-07-01 12:58:39,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:58:39 BasicIcfg [2020-07-01 12:58:39,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 12:58:39,056 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 12:58:39,056 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 12:58:39,060 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 12:58:39,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:58:39,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 12:58:38" (1/5) ... [2020-07-01 12:58:39,062 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48985847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:58:39, skipping insertion in model container [2020-07-01 12:58:39,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:58:39,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 12:58:38" (2/5) ... [2020-07-01 12:58:39,062 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48985847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 12:58:39, skipping insertion in model container [2020-07-01 12:58:39,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:58:39,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 12:58:38" (3/5) ... [2020-07-01 12:58:39,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48985847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:58:39, skipping insertion in model container [2020-07-01 12:58:39,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:58:39,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 12:58:38" (4/5) ... [2020-07-01 12:58:39,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48985847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:58:39, skipping insertion in model container [2020-07-01 12:58:39,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 12:58:39,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 12:58:39" (5/5) ... [2020-07-01 12:58:39,065 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 12:58:39,094 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 12:58:39,094 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 12:58:39,095 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 12:58:39,095 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 12:58:39,095 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 12:58:39,095 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 12:58:39,095 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 12:58:39,095 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 12:58:39,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:58:39,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:39,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:58:39,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:58:39,121 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:58:39,121 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:58:39,122 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 12:58:39,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-01 12:58:39,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:39,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:58:39,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:58:39,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 12:58:39,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:58:39,128 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L12-2true [2020-07-01 12:58:39,128 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true [35] L12-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L12true [34] L12-->L12-2: Formula: (and (>= v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 3#L12-2true [2020-07-01 12:58:39,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:39,135 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-07-01 12:58:39,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:39,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245195003] [2020-07-01 12:58:39,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,214 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:39,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times [2020-07-01 12:58:39,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:39,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586300150] [2020-07-01 12:58:39,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:39,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:39,234 INFO L82 PathProgramCache]: Analyzing trace with hash 56857, now seen corresponding path program 1 times [2020-07-01 12:58:39,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:39,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635905867] [2020-07-01 12:58:39,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:39,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:39,289 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:39,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:39,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:39,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:39,291 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:58:39,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:39,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:39,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:39,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:58:39,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:39,292 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:39,312 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 12:58:39,322 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 12:58:39,327 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 12:58:39,407 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:39,408 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:39,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:39,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:39,425 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:58:39,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:39,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:39,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:39,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:58:39,464 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:39,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:39,497 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:39,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:58:39,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:39,724 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:58:39,727 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:39,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:39,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:39,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:39,750 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:58:39,750 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:39,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:39,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:39,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-07-01 12:58:39,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:39,751 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:39,753 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 12:58:39,758 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 12:58:39,782 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 12:58:39,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:39,851 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:39,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:58:39,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:39,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:39,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:39,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:39,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:58:39,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:58:39,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:39,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:58:39,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:39,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:58:39,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:39,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:39,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:39,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:58:39,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:58:39,914 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:58:39,922 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 12:58:39,923 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:39,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:58:39,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:58:39,929 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:58:39,930 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-01 12:58:39,964 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:58:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:40,004 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:58:40,005 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:40,016 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:58:40,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:40,034 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 12:58:40,059 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:58:40,064 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:58:40,065 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-07-01 12:58:40,105 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 11 states and 21 transitions. Complement of second has 7 states. [2020-07-01 12:58:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-01 12:58:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:58:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-07-01 12:58:40,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-01 12:58:40,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 12:58:40,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-01 12:58:40,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 21 transitions. [2020-07-01 12:58:40,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:40,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 8 states and 14 transitions. [2020-07-01 12:58:40,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 12:58:40,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 12:58:40,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 14 transitions. [2020-07-01 12:58:40,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:58:40,126 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 14 transitions. [2020-07-01 12:58:40,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 14 transitions. [2020-07-01 12:58:40,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-07-01 12:58:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-01 12:58:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2020-07-01 12:58:40,154 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 13 transitions. [2020-07-01 12:58:40,154 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 13 transitions. [2020-07-01 12:58:40,154 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-01 12:58:40,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 13 transitions. [2020-07-01 12:58:40,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:40,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:58:40,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:58:40,156 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-01 12:58:40,156 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:58:40,156 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 51#L12-2 [36] L12-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 53#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 56#L12-2 [2020-07-01 12:58:40,157 INFO L796 eck$LassoCheckResult]: Loop: 56#L12-2 [35] L12-2-->L12: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 57#L12 [34] L12-->L12-2: Formula: (and (>= v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~x~0_10) (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 56#L12-2 [2020-07-01 12:58:40,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,157 INFO L82 PathProgramCache]: Analyzing trace with hash 56882, now seen corresponding path program 1 times [2020-07-01 12:58:40,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352873670] [2020-07-01 12:58:40,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:40,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 2 times [2020-07-01 12:58:40,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559511202] [2020-07-01 12:58:40,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,175 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,176 INFO L82 PathProgramCache]: Analyzing trace with hash 54664721, now seen corresponding path program 1 times [2020-07-01 12:58:40,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279187461] [2020-07-01 12:58:40,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 12:58:40,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279187461] [2020-07-01 12:58:40,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 12:58:40,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-01 12:58:40,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464468031] [2020-07-01 12:58:40,243 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:40,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:40,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:40,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:40,244 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:58:40,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:40,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:40,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:58:40,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:40,245 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:40,246 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 12:58:40,251 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 12:58:40,255 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 12:58:40,316 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:40,316 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:40,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:40,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:58:40,331 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:40,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:40,370 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:58:40,370 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:40,408 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:58:40,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:40,623 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:58:40,625 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:40,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:40,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:40,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:40,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:58:40,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:40,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:40,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:40,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-07-01 12:58:40,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:40,627 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:40,628 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 12:58:40,632 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 12:58:40,638 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 12:58:40,679 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:40,680 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:40,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:58:40,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:40,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:40,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:40,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:40,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:58:40,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:58:40,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:40,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:58:40,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:40,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:58:40,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:40,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:40,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:40,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:58:40,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:58:40,738 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:58:40,743 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-01 12:58:40,743 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:40,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:58:40,750 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:58:40,750 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:58:40,750 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-01 12:58:40,782 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:58:40,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:40,802 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:58:40,802 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:40,808 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:58:40,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:40,826 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 12:58:40,840 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:58:40,841 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:58:40,841 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 13 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-07-01 12:58:40,869 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 13 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 16 states and 29 transitions. Complement of second has 11 states. [2020-07-01 12:58:40,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-01 12:58:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:58:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-07-01 12:58:40,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-01 12:58:40,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-01 12:58:40,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 4 letters. [2020-07-01 12:58:40,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:40,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 29 transitions. [2020-07-01 12:58:40,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-01 12:58:40,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 10 states and 18 transitions. [2020-07-01 12:58:40,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 12:58:40,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-01 12:58:40,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 18 transitions. [2020-07-01 12:58:40,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-01 12:58:40,878 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 18 transitions. [2020-07-01 12:58:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 18 transitions. [2020-07-01 12:58:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 5. [2020-07-01 12:58:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-01 12:58:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2020-07-01 12:58:40,880 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 9 transitions. [2020-07-01 12:58:40,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 12:58:40,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-01 12:58:40,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-01 12:58:40,884 INFO L87 Difference]: Start difference. First operand 5 states and 9 transitions. Second operand 4 states. [2020-07-01 12:58:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 12:58:40,908 INFO L93 Difference]: Finished difference Result 7 states and 11 transitions. [2020-07-01 12:58:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-01 12:58:40,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 11 transitions. [2020-07-01 12:58:40,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:40,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 8 transitions. [2020-07-01 12:58:40,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-01 12:58:40,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-07-01 12:58:40,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2020-07-01 12:58:40,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:58:40,913 INFO L688 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-07-01 12:58:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2020-07-01 12:58:40,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-07-01 12:58:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-01 12:58:40,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2020-07-01 12:58:40,914 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-07-01 12:58:40,914 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-07-01 12:58:40,914 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-01 12:58:40,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2020-07-01 12:58:40,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-01 12:58:40,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 12:58:40,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 12:58:40,915 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-01 12:58:40,915 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-01 12:58:40,916 INFO L794 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L12-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 137#L12-2 [36] L12-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 133#L12 [2020-07-01 12:58:40,916 INFO L796 eck$LassoCheckResult]: Loop: 133#L12 [28] L12-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 132#L12-2 [36] L12-2-->L12: Formula: (> v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 133#L12 [2020-07-01 12:58:40,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 1 times [2020-07-01 12:58:40,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609263442] [2020-07-01 12:58:40,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:40,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1865, now seen corresponding path program 1 times [2020-07-01 12:58:40,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247121493] [2020-07-01 12:58:40,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,932 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1763378, now seen corresponding path program 2 times [2020-07-01 12:58:40,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 12:58:40,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319068225] [2020-07-01 12:58:40,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 12:58:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 12:58:40,942 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 12:58:40,970 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:40,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:40,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:40,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:40,970 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-01 12:58:40,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:40,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:40,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:40,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 12:58:40,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:40,971 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:40,972 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 12:58:40,977 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 12:58:40,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-01 12:58:41,037 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:41,038 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:41,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:41,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:41,046 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-01 12:58:41,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:41,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-01 12:58:41,082 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 12:58:41,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-01 12:58:41,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-01 12:58:41,569 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-01 12:58:41,572 INFO L210 LassoAnalysis]: Preferences: [2020-07-01 12:58:41,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-01 12:58:41,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-01 12:58:41,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-01 12:58:41,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-01 12:58:41,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:41,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-01 12:58:41,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-01 12:58:41,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-07-01 12:58:41,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-01 12:58:41,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-01 12:58:41,574 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 12:58:41,578 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 12:58:41,584 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 12:58:41,623 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-01 12:58:41,623 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:41,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-01 12:58:41,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:41,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:41,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:41,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:41,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-01 12:58:41,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-01 12:58:41,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-01 12:58:41,669 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 12:58:41,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-01 12:58:41,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-01 12:58:41,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-01 12:58:41,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-01 12:58:41,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-01 12:58:41,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-01 12:58:41,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-01 12:58:41,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-01 12:58:41,682 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-01 12:58:41,682 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 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 12:58:41,688 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-01 12:58:41,688 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-01 12:58:41,688 INFO L510 LassoAnalysis]: Proved termination. [2020-07-01 12:58:41,689 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-01 12:58:41,718 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-01 12:58:41,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 12:58:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:41,737 INFO L264 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-01 12:58:41,737 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 12:58:41,741 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-01 12:58:41,741 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-01 12:58:41,768 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 12:58:41,769 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-07-01 12:58:41,769 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-01 12:58:41,769 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-07-01 12:58:41,780 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 8 states and 10 transitions. Complement of second has 4 states. [2020-07-01 12:58:41,781 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 12:58:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-01 12:58:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2020-07-01 12:58:41,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-01 12:58:41,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:41,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-01 12:58:41,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:41,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-01 12:58:41,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-01 12:58:41,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. [2020-07-01 12:58:41,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:58:41,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2020-07-01 12:58:41,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-01 12:58:41,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-01 12:58:41,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-01 12:58:41,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-01 12:58:41,785 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:58:41,785 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:58:41,785 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-01 12:58:41,786 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-01 12:58:41,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-01 12:58:41,786 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-01 12:58:41,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-01 12:58:41,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 12:58:41 BasicIcfg [2020-07-01 12:58:41,793 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 12:58:41,795 INFO L168 Benchmark]: Toolchain (without parser) took 3522.35 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 562.6 MB in the beginning and 403.3 MB in the end (delta: 159.4 MB). Peak memory consumption was 200.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,796 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 649.6 MB. Free memory is still 583.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 12:58:41,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.94 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 561.6 MB in the beginning and 655.5 MB in the end (delta: -94.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 690.5 MB. Free memory was 655.5 MB in the beginning and 653.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,797 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 ms. Allocated memory is still 690.5 MB. Free memory was 653.3 MB in the beginning and 652.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,798 INFO L168 Benchmark]: RCFGBuilder took 216.98 ms. Allocated memory is still 690.5 MB. Free memory was 652.2 MB in the beginning and 637.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,798 INFO L168 Benchmark]: BlockEncodingV2 took 75.05 ms. Allocated memory is still 690.5 MB. Free memory was 637.6 MB in the beginning and 632.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,800 INFO L168 Benchmark]: TraceAbstraction took 146.28 ms. Allocated memory is still 690.5 MB. Free memory was 631.1 MB in the beginning and 622.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,800 INFO L168 Benchmark]: BuchiAutomizer took 2736.34 ms. Allocated memory is still 690.5 MB. Free memory was 622.5 MB in the beginning and 403.3 MB in the end (delta: 219.2 MB). Peak memory consumption was 219.2 MB. Max. memory is 50.3 GB. [2020-07-01 12:58:41,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 649.6 MB. Free memory is still 583.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 286.94 ms. Allocated memory was 649.6 MB in the beginning and 690.5 MB in the end (delta: 40.9 MB). Free memory was 561.6 MB in the beginning and 655.5 MB in the end (delta: -94.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 690.5 MB. Free memory was 655.5 MB in the beginning and 653.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.82 ms. Allocated memory is still 690.5 MB. Free memory was 653.3 MB in the beginning and 652.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 216.98 ms. Allocated memory is still 690.5 MB. Free memory was 652.2 MB in the beginning and 637.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 75.05 ms. Allocated memory is still 690.5 MB. Free memory was 637.6 MB in the beginning and 632.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 146.28 ms. Allocated memory is still 690.5 MB. Free memory was 631.1 MB in the beginning and 622.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2736.34 ms. Allocated memory is still 690.5 MB. Free memory was 622.5 MB in the beginning and 403.3 MB in the end (delta: 219.2 MB). Peak memory consumption was 219.2 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y + -1 * x and consists of 5 locations. One nondeterministic module has affine ranking function y + -1 * x and consists of 5 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-07-01 12:58:34.890 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_5nu5Rn/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 12:58:42.656 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check