/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:47:52,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:47:52,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:47:52,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:47:52,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:47:52,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:47:52,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:47:52,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:47:52,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:47:52,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:47:52,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:47:52,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:47:52,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:47:52,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:47:52,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:47:52,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:47:52,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:47:52,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:47:52,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:47:52,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:47:52,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:47:52,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:47:52,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:47:52,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:47:52,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:47:52,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:47:52,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:47:52,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:47:52,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:47:52,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:47:52,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:47:52,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:47:52,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:47:52,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:47:52,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:47:52,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:47:52,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:47:52,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:47:52,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:47:52,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:47:52,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:47:52,093 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:47:52,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:47:52,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:47:52,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:47:52,108 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:47:52,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:47:52,108 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:47:52,109 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:47:52,109 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:47:52,109 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:47:52,109 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:47:52,109 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:47:52,110 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:47:52,110 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:47:52,110 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:47:52,110 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:47:52,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:47:52,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:47:52,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:47:52,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:47:52,111 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:47:52,111 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:47:52,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:47:52,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:47:52,112 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:47:52,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:47:52,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:47:52,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:47:52,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:47:52,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:47:52,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:47:52,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:47:52,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:47:52,293 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:47:52,294 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:47:52,294 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:47:52,359 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_XWBhod/tmp/018986e79ed04adca03c021917525d36/FLAGfa8a0e32f [2020-07-01 10:47:52,737 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:47:52,738 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:47:52,752 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_XWBhod/tmp/018986e79ed04adca03c021917525d36/FLAGfa8a0e32f [2020-07-01 10:47:53,095 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_XWBhod/tmp/018986e79ed04adca03c021917525d36 [2020-07-01 10:47:53,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:47:53,108 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:47:53,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:47:53,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:47:53,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:47:53,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ada7511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53, skipping insertion in model container [2020-07-01 10:47:53,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:47:53,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:47:53,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:47:53,510 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:47:53,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:47:53,606 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:47:53,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53 WrapperNode [2020-07-01 10:47:53,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:47:53,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:47:53,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:47:53,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:47:53,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:47:53,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:47:53,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:47:53,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:47:53,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... [2020-07-01 10:47:53,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:47:53,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:47:53,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:47:53,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:47:53,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:47:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_msg_t [2020-07-01 10:47:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:47:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:47:54,497 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:47:54,497 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-01 10:47:54,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:54 BoogieIcfgContainer [2020-07-01 10:47:54,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:47:54,503 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:47:54,504 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:47:54,506 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:47:54,507 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:54" (1/1) ... [2020-07-01 10:47:54,531 INFO L313 BlockEncoder]: Initial Icfg 145 locations, 255 edges [2020-07-01 10:47:54,533 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:47:54,534 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:47:54,534 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:47:54,534 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:47:54,536 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:47:54,537 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:47:54,538 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:47:54,592 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:47:54,649 INFO L200 BlockEncoder]: SBE split 107 edges [2020-07-01 10:47:54,655 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-07-01 10:47:54,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:47:54,694 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:47:54,697 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 10:47:54,699 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:47:54,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:47:54,700 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:47:54,701 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:47:54,702 INFO L313 BlockEncoder]: Encoded RCFG 140 locations, 366 edges [2020-07-01 10:47:54,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:54 BasicIcfg [2020-07-01 10:47:54,703 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:47:54,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:47:54,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:47:54,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:47:54,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:47:53" (1/4) ... [2020-07-01 10:47:54,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218961ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (2/4) ... [2020-07-01 10:47:54,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218961ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:54" (3/4) ... [2020-07-01 10:47:54,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218961ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:54" (4/4) ... [2020-07-01 10:47:54,711 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:47:54,722 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:47:54,730 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:47:54,744 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:47:54,768 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:47:54,769 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:47:54,769 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:47:54,769 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:47:54,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:47:54,769 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:47:54,769 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:47:54,770 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:47:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-07-01 10:47:54,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:47:54,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 140 states. [2020-07-01 10:47:54,874 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-01 10:47:54,874 INFO L268 CegarLoopResult]: For program point L225-2(line 225) no Hoare annotation was computed. [2020-07-01 10:47:54,874 INFO L268 CegarLoopResult]: For program point L382(lines 382 454) no Hoare annotation was computed. [2020-07-01 10:47:54,874 INFO L268 CegarLoopResult]: For program point L349(lines 349 553) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L268 CegarLoopResult]: For program point L250-2(line 250) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L268 CegarLoopResult]: For program point L374(lines 374 478) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L268 CegarLoopResult]: For program point L341(lines 341 577) no Hoare annotation was computed. [2020-07-01 10:47:54,875 INFO L271 CegarLoopResult]: At program point L597(lines 593 608) the Hoare annotation is: true [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L275-2(line 275) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L366(lines 366 502) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L300-2(line 300) no Hoare annotation was computed. [2020-07-01 10:47:54,876 INFO L268 CegarLoopResult]: For program point L391(lines 391 427) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L358(lines 358 526) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L325-2(line 325) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L383(lines 383 451) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L350(lines 350 550) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:47:54,877 INFO L268 CegarLoopResult]: For program point L375(lines 375 475) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L367(lines 367 499) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L169(lines 169 171) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L392(lines 392 424) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L359(lines 359 523) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L194(lines 194 196) no Hoare annotation was computed. [2020-07-01 10:47:54,878 INFO L268 CegarLoopResult]: For program point L384(lines 384 448) no Hoare annotation was computed. [2020-07-01 10:47:54,879 INFO L268 CegarLoopResult]: For program point L351(lines 351 547) no Hoare annotation was computed. [2020-07-01 10:47:54,879 INFO L268 CegarLoopResult]: For program point L219(lines 219 221) no Hoare annotation was computed. [2020-07-01 10:47:54,879 INFO L268 CegarLoopResult]: For program point L376(lines 376 472) no Hoare annotation was computed. [2020-07-01 10:47:54,879 INFO L268 CegarLoopResult]: For program point L343(lines 343 571) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L244(lines 244 246) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L368(lines 368 496) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L393(lines 393 421) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L360(lines 360 520) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L294(lines 294 296) no Hoare annotation was computed. [2020-07-01 10:47:54,880 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-01 10:47:54,881 INFO L268 CegarLoopResult]: For program point L162(lines 162 177) no Hoare annotation was computed. [2020-07-01 10:47:54,881 INFO L268 CegarLoopResult]: For program point L385(lines 385 445) no Hoare annotation was computed. [2020-07-01 10:47:54,881 INFO L271 CegarLoopResult]: At program point L674-2(lines 674 704) the Hoare annotation is: true [2020-07-01 10:47:54,881 INFO L268 CegarLoopResult]: For program point L352(lines 352 544) no Hoare annotation was computed. [2020-07-01 10:47:54,881 INFO L271 CegarLoopResult]: At program point L162-2(lines 156 180) the Hoare annotation is: true [2020-07-01 10:47:54,881 INFO L268 CegarLoopResult]: For program point L319(lines 319 321) no Hoare annotation was computed. [2020-07-01 10:47:54,881 INFO L268 CegarLoopResult]: For program point L187(lines 187 202) no Hoare annotation was computed. [2020-07-01 10:47:54,882 INFO L271 CegarLoopResult]: At program point L187-2(lines 181 205) the Hoare annotation is: true [2020-07-01 10:47:54,882 INFO L268 CegarLoopResult]: For program point L377(lines 377 469) no Hoare annotation was computed. [2020-07-01 10:47:54,882 INFO L268 CegarLoopResult]: For program point L344(lines 344 568) no Hoare annotation was computed. [2020-07-01 10:47:54,882 INFO L268 CegarLoopResult]: For program point L212(lines 212 227) no Hoare annotation was computed. [2020-07-01 10:47:54,882 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-01 10:47:54,882 INFO L271 CegarLoopResult]: At program point L212-2(lines 206 230) the Hoare annotation is: true [2020-07-01 10:47:54,882 INFO L268 CegarLoopResult]: For program point L369(lines 369 493) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L592(lines 592 611) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 611) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L237(lines 237 252) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L271 CegarLoopResult]: At program point L237-2(lines 231 255) the Hoare annotation is: true [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L138(lines 138 147) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L394(lines 394 418) no Hoare annotation was computed. [2020-07-01 10:47:54,883 INFO L268 CegarLoopResult]: For program point L138-1(lines 138 147) no Hoare annotation was computed. [2020-07-01 10:47:54,884 INFO L268 CegarLoopResult]: For program point L361(lines 361 517) no Hoare annotation was computed. [2020-07-01 10:47:54,884 INFO L271 CegarLoopResult]: At program point L584(lines 334 586) the Hoare annotation is: true [2020-07-01 10:47:54,884 INFO L268 CegarLoopResult]: For program point L262(lines 262 277) no Hoare annotation was computed. [2020-07-01 10:47:54,884 INFO L271 CegarLoopResult]: At program point L262-2(lines 256 280) the Hoare annotation is: true [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L386(lines 386 442) no Hoare annotation was computed. [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L353(lines 353 541) no Hoare annotation was computed. [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L287(lines 287 302) no Hoare annotation was computed. [2020-07-01 10:47:54,885 INFO L271 CegarLoopResult]: At program point L287-2(lines 281 305) the Hoare annotation is: true [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L378(lines 378 466) no Hoare annotation was computed. [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L345(lines 345 565) no Hoare annotation was computed. [2020-07-01 10:47:54,885 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L312(lines 312 327) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L271 CegarLoopResult]: At program point L312-2(lines 306 330) the Hoare annotation is: true [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L370(lines 370 490) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L593(lines 593 608) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L139(lines 139 146) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L395(lines 395 415) no Hoare annotation was computed. [2020-07-01 10:47:54,886 INFO L268 CegarLoopResult]: For program point L362(lines 362 514) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L387(lines 387 439) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L354(lines 354 538) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L379(lines 379 463) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L346(lines 346 562) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L371(lines 371 487) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L396(lines 396 412) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L363(lines 363 511) no Hoare annotation was computed. [2020-07-01 10:47:54,887 INFO L268 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L388(lines 388 436) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L355(lines 355 535) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L190(lines 190 197) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L190-1(lines 190 197) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L380(lines 380 460) no Hoare annotation was computed. [2020-07-01 10:47:54,888 INFO L268 CegarLoopResult]: For program point L347(lines 347 559) no Hoare annotation was computed. [2020-07-01 10:47:54,889 INFO L268 CegarLoopResult]: For program point L215(lines 215 222) no Hoare annotation was computed. [2020-07-01 10:47:54,889 INFO L268 CegarLoopResult]: For program point L215-1(lines 215 222) no Hoare annotation was computed. [2020-07-01 10:47:54,889 INFO L268 CegarLoopResult]: For program point L372(lines 372 484) no Hoare annotation was computed. [2020-07-01 10:47:54,889 INFO L268 CegarLoopResult]: For program point L339(lines 339 583) no Hoare annotation was computed. [2020-07-01 10:47:54,889 INFO L268 CegarLoopResult]: For program point L339-1(lines 339 583) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L240(lines 240 247) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L240-1(lines 240 247) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L719(lines 719 730) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L397(lines 397 409) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L364(lines 364 508) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2020-07-01 10:47:54,890 INFO L268 CegarLoopResult]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L166(lines 166 171) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L389(lines 389 433) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L356(lines 356 532) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L271 CegarLoopResult]: At program point L612(lines 587 614) the Hoare annotation is: true [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L290(lines 290 297) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 297) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L191(lines 191 196) no Hoare annotation was computed. [2020-07-01 10:47:54,891 INFO L268 CegarLoopResult]: For program point L381(lines 381 457) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L348(lines 348 556) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L315(lines 315 322) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L315-1(lines 315 322) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L216(lines 216 221) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L373(lines 373 481) no Hoare annotation was computed. [2020-07-01 10:47:54,892 INFO L268 CegarLoopResult]: For program point L340(lines 340 580) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L596(lines 596 608) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L142(lines 142 146) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L398(lines 398 406) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L175-2(line 175) no Hoare annotation was computed. [2020-07-01 10:47:54,893 INFO L268 CegarLoopResult]: For program point L365(lines 365 505) no Hoare annotation was computed. [2020-07-01 10:47:54,894 INFO L268 CegarLoopResult]: For program point L266(lines 266 271) no Hoare annotation was computed. [2020-07-01 10:47:54,894 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-01 10:47:54,894 INFO L271 CegarLoopResult]: At program point L712-2(lines 712 716) the Hoare annotation is: true [2020-07-01 10:47:54,895 INFO L268 CegarLoopResult]: For program point L134(lines 134 152) no Hoare annotation was computed. [2020-07-01 10:47:54,895 INFO L268 CegarLoopResult]: For program point L200-2(line 200) no Hoare annotation was computed. [2020-07-01 10:47:54,895 INFO L268 CegarLoopResult]: For program point L390(lines 390 430) no Hoare annotation was computed. [2020-07-01 10:47:54,895 INFO L268 CegarLoopResult]: For program point L357(lines 357 529) no Hoare annotation was computed. [2020-07-01 10:47:54,895 INFO L271 CegarLoopResult]: At program point L134-2(lines 128 155) the Hoare annotation is: true [2020-07-01 10:47:54,895 INFO L268 CegarLoopResult]: For program point L291(lines 291 296) no Hoare annotation was computed. [2020-07-01 10:47:54,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:54 BasicIcfg [2020-07-01 10:47:54,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:47:54,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:47:54,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:47:54,910 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:47:54,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:54,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:47:53" (1/5) ... [2020-07-01 10:47:54,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1413492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:54,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:47:53" (2/5) ... [2020-07-01 10:47:54,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1413492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:54,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:47:54" (3/5) ... [2020-07-01 10:47:54,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1413492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,913 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:54,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:47:54" (4/5) ... [2020-07-01 10:47:54,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1413492a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:47:54, skipping insertion in model container [2020-07-01 10:47:54,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:47:54,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:47:54" (5/5) ... [2020-07-01 10:47:54,915 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:47:54,943 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:47:54,943 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:47:54,944 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:47:54,944 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:47:54,944 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:47:54,944 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:47:54,944 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:47:54,944 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:47:54,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states. [2020-07-01 10:47:54,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2020-07-01 10:47:54,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:47:54,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:47:54,987 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:47:54,987 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:47:54,987 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:47:54,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states. [2020-07-01 10:47:54,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2020-07-01 10:47:54,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:47:54,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:47:54,996 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:47:54,996 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:47:55,002 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue [1312] ULTIMATE.startENTRY-->L339: Formula: (and (= 0 v_~p2_new~0_8) (= 0 v_~p2~0_2) (= (- 1) v_~nomsg~0_52) (= 0 v_~p5_old~0_6) (= 0 v_~p2_old~0_6) (= 0 v_~p6_old~0_6) (= 0 v_~p5_new~0_8) (= (store (store (store (store (store (store (store (store v_~nodes~0.base_11 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) 3 |#funAddr~node4.base|) 4 |#funAddr~node5.base|) 5 |#funAddr~node6.base|) 6 |#funAddr~node7.base|) 7 |#funAddr~node8.base|) v_~nodes~0.base_10) (= 0 v_~p8_new~0_8) (= 0 v_~p8~0_2) (= 0 v_~p4~0_2) (= 0 v_~p7~0_2) (= v_~p1_old~0_6 0) (= 0 v_~p8_old~0_6) (= 0 v_~p7_new~0_8) (= 0 v_~p6~0_2) (= 0 v_~p7_old~0_6) (= 0 v_~p1~0_2) (= 0 v_~p6_new~0_8) (= v_~nodes~0.offset_10 (store (store (store (store (store (store (store (store v_~nodes~0.offset_11 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) 3 |#funAddr~node4.offset|) 4 |#funAddr~node5.offset|) 5 |#funAddr~node6.offset|) 6 |#funAddr~node7.offset|) 7 |#funAddr~node8.offset|)) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= 0 v_~p5~0_2) (= 0 v_~p1_new~0_8) (= 0 v_~p4_new~0_8) (= 0 v_~p4_old~0_6) (= 0 v_~p3~0_2) (= 0 v_~p3_old~0_6) (= 0 v_~p3_new~0_8)) InVars {~nodes~0.offset=v_~nodes~0.offset_11, ~nodes~0.base=v_~nodes~0.base_11} OutVars{~send7~0=v_~send7~0_8, ULTIMATE.start_main_#t~nondet32=|v_ULTIMATE.start_main_#t~nondet32_6|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_6|, ~p6~0=v_~p6~0_2, ~id3~0=v_~id3~0_25, ~mode2~0=v_~mode2~0_9, ~st5~0=v_~st5~0_12, ~r1~0=v_~r1~0_11, ULTIMATE.start_main_#t~nondet29=|v_ULTIMATE.start_main_#t~nondet29_6|, ~send4~0=v_~send4~0_8, ~nodes~0.base=v_~nodes~0.base_10, ~nodes~0.offset=v_~nodes~0.offset_10, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_6|, ~nomsg~0=v_~nomsg~0_52, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_6|, ~mode7~0=v_~mode7~0_9, ~id6~0=v_~id6~0_25, ~p1~0=v_~p1~0_2, ~st8~0=v_~st8~0_12, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_6|, ~send1~0=v_~send1~0_9, ~id1~0=v_~id1~0_25, ~p8~0=v_~p8~0_2, ULTIMATE.start_main_#t~post43=|v_ULTIMATE.start_main_#t~post43_4|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ~p6_new~0=v_~p6_new~0_8, ~mode8~0=v_~mode8~0_9, ULTIMATE.start_main_#t~nondet9=|v_ULTIMATE.start_main_#t~nondet9_6|, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ~p5_new~0=v_~p5_new~0_8, ~st3~0=v_~st3~0_12, ULTIMATE.start_main_#t~nondet28=|v_ULTIMATE.start_main_#t~nondet28_6|, ~send6~0=v_~send6~0_8, ~mode5~0=v_~mode5~0_9, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ~id4~0=v_~id4~0_25, ULTIMATE.start_main_#t~ret39=|v_ULTIMATE.start_main_#t~ret39_5|, ~st6~0=v_~st6~0_12, ~p6_old~0=v_~p6_old~0_6, ~p1_new~0=v_~p1_new~0_8, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_5|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ULTIMATE.start_main_#t~ret31=|v_ULTIMATE.start_main_#t~ret31_5|, ~send3~0=v_~send3~0_8, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_6|, ULTIMATE.start_main_#t~nondet30=|v_ULTIMATE.start_main_#t~nondet30_6|, ULTIMATE.start_main_#t~nondet34=|v_ULTIMATE.start_main_#t~nondet34_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ~mode6~0=v_~mode6~0_9, ~p2~0=v_~p2~0_2, ~id7~0=v_~id7~0_25, ULTIMATE.start_main_#t~ret27=|v_ULTIMATE.start_main_#t~ret27_5|, ~st1~0=v_~st1~0_12, ULTIMATE.start_main_#t~ret23=|v_ULTIMATE.start_main_#t~ret23_5|, ~send8~0=v_~send8~0_8, ~id2~0=v_~id2~0_25, ~p1_old~0=v_~p1_old~0_6, ULTIMATE.start_main_#t~nondet22=|v_ULTIMATE.start_main_#t~nondet22_6|, ULTIMATE.start_main_#t~ret42=|v_ULTIMATE.start_main_#t~ret42_4|, ~p5~0=v_~p5~0_2, ~p5_old~0=v_~p5_old~0_6, ~p3_old~0=v_~p3_old~0_6, ULTIMATE.start_main_#t~ret19=|v_ULTIMATE.start_main_#t~ret19_5|, ~st4~0=v_~st4~0_12, ~p7_old~0=v_~p7_old~0_6, ~mode3~0=v_~mode3~0_9, ULTIMATE.start_main_#t~ret15=|v_ULTIMATE.start_main_#t~ret15_5|, ~p4_new~0=v_~p4_new~0_8, ~p2_new~0=v_~p2_new~0_8, ULTIMATE.start_main_#t~ret11=|v_ULTIMATE.start_main_#t~ret11_5|, ULTIMATE.start_main_#t~nondet38=|v_ULTIMATE.start_main_#t~nondet38_6|, ~send5~0=v_~send5~0_8, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_6|, ULTIMATE.start_main_#t~nondet33=|v_ULTIMATE.start_main_#t~nondet33_6|, ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_6|, ~id5~0=v_~id5~0_25, ~p7_new~0=v_~p7_new~0_8, ~p4~0=v_~p4~0_2, ~p8_new~0=v_~p8_new~0_8, ~mode4~0=v_~mode4~0_9, ULTIMATE.start_main_#t~nondet26=|v_ULTIMATE.start_main_#t~nondet26_6|, ~send2~0=v_~send2~0_8, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ~st7~0=v_~st7~0_12, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_66, ULTIMATE.start_main_#t~nondet40=|v_ULTIMATE.start_main_#t~nondet40_6|, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_6|, ULTIMATE.start_main_#t~nondet25=|v_ULTIMATE.start_main_#t~nondet25_6|, ULTIMATE.start_main_#t~ret41=|v_ULTIMATE.start_main_#t~ret41_4|, ~id8~0=v_~id8~0_25, ~p4_old~0=v_~p4_old~0_6, ~p7~0=v_~p7~0_2, ~mode1~0=v_~mode1~0_9, ~p8_old~0=v_~p8_old~0_6, ~p3_new~0=v_~p3_new~0_8, ~st2~0=v_~st2~0_12, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_6|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_6|} AuxVars[] AssignedVars[~send7~0, ULTIMATE.start_main_#t~nondet32, ULTIMATE.start_main_#t~nondet36, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_main_#t~nondet8, ~p6~0, ~id3~0, ~mode2~0, ~st5~0, ~r1~0, ULTIMATE.start_main_#t~nondet29, ~send4~0, ~nodes~0.base, ~nodes~0.offset, ULTIMATE.start_main_#t~nondet20, ~nomsg~0, ULTIMATE.start_main_#t~nondet24, ~mode7~0, ~id6~0, ~p1~0, ~st8~0, ULTIMATE.start_main_#t~nondet17, ~send1~0, ~id1~0, ~p8~0, ULTIMATE.start_main_#t~post43, ULTIMATE.start_main_#t~nondet12, ~p6_new~0, ~mode8~0, ULTIMATE.start_main_#t~nondet9, ULTIMATE.start_main_~c1~0, ~p5_new~0, ~st3~0, ULTIMATE.start_main_#t~nondet28, ~send6~0, ~mode5~0, ~p3~0, ~p2_old~0, ~id4~0, ULTIMATE.start_main_#t~ret39, ~st6~0, ~p6_old~0, ~p1_new~0, ULTIMATE.start_main_#t~ret35, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret31, ~send3~0, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet30, ULTIMATE.start_main_#t~nondet34, ULTIMATE.start_init_#res, ~mode6~0, ~p2~0, ~id7~0, ULTIMATE.start_main_#t~ret27, ~st1~0, ULTIMATE.start_main_#t~ret23, ~send8~0, ~id2~0, ~p1_old~0, ULTIMATE.start_main_#t~nondet22, ULTIMATE.start_main_#t~ret42, ~p5~0, ~p5_old~0, ~p3_old~0, ULTIMATE.start_main_#t~ret19, ~st4~0, ~p7_old~0, ~mode3~0, ULTIMATE.start_main_#t~ret15, ~p4_new~0, ~p2_new~0, ULTIMATE.start_main_#t~ret11, ULTIMATE.start_main_#t~nondet38, ~send5~0, ULTIMATE.start_main_#t~nondet10, ULTIMATE.start_main_#t~nondet33, ULTIMATE.start_main_#t~nondet14, ~id5~0, ~p7_new~0, ~p4~0, ~p8_new~0, ~mode4~0, ULTIMATE.start_main_#t~nondet26, ~send2~0, ULTIMATE.start_main_~i2~0, ~st7~0, ULTIMATE.start_init_~tmp~0, ULTIMATE.start_main_#t~nondet40, ULTIMATE.start_main_#t~nondet21, ULTIMATE.start_main_#t~nondet25, ULTIMATE.start_main_#t~ret41, ~id8~0, ~p4_old~0, ~p7~0, ~mode1~0, ~p8_old~0, ~p3_new~0, ~st2~0, ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~nondet18] 66#L339true [1087] L339-->L339-1: Formula: (and (= v_ULTIMATE.start_init_~tmp~0_64 0) (< 0 v_~r1~0_8)) InVars {~r1~0=v_~r1~0_8} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_64, ~r1~0=v_~r1~0_8} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 68#L339-1true [825] L339-1-->L584: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_65) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_65} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_65} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 67#L584true [1092] L584-->L712-2: Formula: (and (= 0 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= 0 v_ULTIMATE.start_main_~i2~0_6)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|, ULTIMATE.start_main_#t~ret41=|v_ULTIMATE.start_main_#t~ret41_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_#t~ret41, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 134#L712-2true [2020-07-01 10:47:55,003 INFO L796 eck$LassoCheckResult]: Loop: 134#L712-2true [943] L712-2-->L712-2: Formula: (= 0 v_ULTIMATE.start___VERIFIER_assume_~arg_4) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 134#L712-2true [2020-07-01 10:47:55,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:47:55,009 INFO L82 PathProgramCache]: Analyzing trace with hash 41080587, now seen corresponding path program 1 times [2020-07-01 10:47:55,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:47:55,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583355191] [2020-07-01 10:47:55,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:47:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,164 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:47:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:47:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash 974, now seen corresponding path program 1 times [2020-07-01 10:47:55,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:47:55,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308510508] [2020-07-01 10:47:55,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:47:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:47:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:47:55,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1273499140, now seen corresponding path program 1 times [2020-07-01 10:47:55,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:47:55,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860638133] [2020-07-01 10:47:55,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:47:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:47:55,235 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:47:55,860 WARN L192 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-01 10:47:56,148 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-01 10:47:56,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:47:56 BasicIcfg [2020-07-01 10:47:56,194 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:47:56,196 INFO L168 Benchmark]: Toolchain (without parser) took 3088.09 ms. Allocated memory was 649.6 MB in the beginning and 688.4 MB in the end (delta: 38.8 MB). Free memory was 561.3 MB in the beginning and 396.3 MB in the end (delta: 164.9 MB). Peak memory consumption was 203.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,196 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:47:56,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.84 ms. Allocated memory was 649.6 MB in the beginning and 688.4 MB in the end (delta: 38.8 MB). Free memory was 561.3 MB in the beginning and 638.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.73 ms. Allocated memory is still 688.4 MB. Free memory was 638.0 MB in the beginning and 634.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,198 INFO L168 Benchmark]: Boogie Preprocessor took 43.84 ms. Allocated memory is still 688.4 MB. Free memory was 634.0 MB in the beginning and 629.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,199 INFO L168 Benchmark]: RCFGBuilder took 788.64 ms. Allocated memory is still 688.4 MB. Free memory was 629.9 MB in the beginning and 558.8 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,199 INFO L168 Benchmark]: BlockEncodingV2 took 199.27 ms. Allocated memory is still 688.4 MB. Free memory was 558.8 MB in the beginning and 521.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,200 INFO L168 Benchmark]: TraceAbstraction took 201.66 ms. Allocated memory is still 688.4 MB. Free memory was 520.3 MB in the beginning and 498.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,201 INFO L168 Benchmark]: BuchiAutomizer took 1288.04 ms. Allocated memory is still 688.4 MB. Free memory was 498.6 MB in the beginning and 396.3 MB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:47:56,205 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 145 locations, 255 edges - StatisticsResult: Encoded RCFG 140 locations, 366 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 583.2 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 497.84 ms. Allocated memory was 649.6 MB in the beginning and 688.4 MB in the end (delta: 38.8 MB). Free memory was 561.3 MB in the beginning and 638.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 62.73 ms. Allocated memory is still 688.4 MB. Free memory was 638.0 MB in the beginning and 634.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 43.84 ms. Allocated memory is still 688.4 MB. Free memory was 634.0 MB in the beginning and 629.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 50.3 GB. * RCFGBuilder took 788.64 ms. Allocated memory is still 688.4 MB. Free memory was 629.9 MB in the beginning and 558.8 MB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 199.27 ms. Allocated memory is still 688.4 MB. Free memory was 558.8 MB in the beginning and 521.6 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 50.3 GB. * TraceAbstraction took 201.66 ms. Allocated memory is still 688.4 MB. Free memory was 520.3 MB in the beginning and 498.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1288.04 ms. Allocated memory is still 688.4 MB. Free memory was 498.6 MB in the beginning and 396.3 MB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 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: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 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=140occurred 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, 13 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 13 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 712]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {p6_new=0, p7_old=0, id7=0, send3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@498e1480=0, mode7=0, p8_old=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74fa2409=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53f47f3d=0, id3=0, p7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@512298de=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8f54c7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a1d0934=0, p3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d691330=0, mode3=0, tmp=0, st2=0, st6=0, p1_old=0, send7=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@370af799=0, send2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26abf5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b8e5bf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5725152e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c7b70b6=0, p8=0, mode2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@3482a759=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d521bee=0, id6=0, p4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fc689fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c90588f=0, mode6=0, id2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55d8c32d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a2b20dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29ffa449=0, st3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c867e3d=0, st7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43e92c67=0, p5_new=0, p3_old=0, i2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54d7f159=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71284da6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@155d929=0, c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33070a46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55b8a86e=0, send6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44f455b5=0, p6_old=0, p8_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f42394b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c341478=0, send1=0, p5=0, id5=0, p2_new=0, mode1=0, p1=0, id1=0, mode5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15b21337=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bfeb009=0, st4=0, st8=0, p3_new=0, p4_old=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63c87aeb=0, send5=0, arg=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45a3cc0f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7124eebd=0, p2_old=0, p1_new=0, r1=1, \result=0, id8=0, p4_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74787bb1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db35c03=0, \old(arg)=0, mode8=0, p5_old=0, p7_new=0, p6=0, id4=0, mode4=0, p2=0, st1=0, st5=0, send4=0, nomsg=-1, send8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 712]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] port_t p2 ; [L80] char p2_old ; [L81] char p2_new ; [L82] char id2 ; [L83] char st2 ; [L84] msg_t send2 ; [L85] _Bool mode2 ; [L86] port_t p3 ; [L87] char p3_old ; [L88] char p3_new ; [L89] char id3 ; [L90] char st3 ; [L91] msg_t send3 ; [L92] _Bool mode3 ; [L93] port_t p4 ; [L94] char p4_old ; [L95] char p4_new ; [L96] char id4 ; [L97] char st4 ; [L98] msg_t send4 ; [L99] _Bool mode4 ; [L100] port_t p5 ; [L101] char p5_old ; [L102] char p5_new ; [L103] char id5 ; [L104] char st5 ; [L105] msg_t send5 ; [L106] _Bool mode5 ; [L107] port_t p6 ; [L108] char p6_old ; [L109] char p6_new ; [L110] char id6 ; [L111] char st6 ; [L112] msg_t send6 ; [L113] _Bool mode6 ; [L114] port_t p7 ; [L115] char p7_old ; [L116] char p7_new ; [L117] char id7 ; [L118] char st7 ; [L119] msg_t send7 ; [L120] _Bool mode7 ; [L121] port_t p8 ; [L122] char p8_old ; [L123] char p8_new ; [L124] char id8 ; [L125] char st8 ; [L126] msg_t send8 ; [L127] _Bool mode8 ; [L331-L333] void (*nodes[8])(void) = { & node1, & node2, & node3, & node4, & node5, & node6, & node7, & node8}; [L617] int c1 ; [L618] int i2 ; [L621] c1 = 0 [L622] r1 = __VERIFIER_nondet_char() [L623] id1 = __VERIFIER_nondet_char() [L624] st1 = __VERIFIER_nondet_char() [L625] send1 = __VERIFIER_nondet_msg_t() [L626] mode1 = __VERIFIER_nondet__Bool() [L627] id2 = __VERIFIER_nondet_char() [L628] st2 = __VERIFIER_nondet_char() [L629] send2 = __VERIFIER_nondet_msg_t() [L630] mode2 = __VERIFIER_nondet__Bool() [L631] id3 = __VERIFIER_nondet_char() [L632] st3 = __VERIFIER_nondet_char() [L633] send3 = __VERIFIER_nondet_msg_t() [L634] mode3 = __VERIFIER_nondet__Bool() [L635] id4 = __VERIFIER_nondet_char() [L636] st4 = __VERIFIER_nondet_char() [L637] send4 = __VERIFIER_nondet_msg_t() [L638] mode4 = __VERIFIER_nondet__Bool() [L639] id5 = __VERIFIER_nondet_char() [L640] st5 = __VERIFIER_nondet_char() [L641] send5 = __VERIFIER_nondet_msg_t() [L642] mode5 = __VERIFIER_nondet__Bool() [L643] id6 = __VERIFIER_nondet_char() [L644] st6 = __VERIFIER_nondet_char() [L645] send6 = __VERIFIER_nondet_msg_t() [L646] mode6 = __VERIFIER_nondet__Bool() [L647] id7 = __VERIFIER_nondet_char() [L648] st7 = __VERIFIER_nondet_char() [L649] send7 = __VERIFIER_nondet_msg_t() [L650] mode7 = __VERIFIER_nondet__Bool() [L651] id8 = __VERIFIER_nondet_char() [L652] st8 = __VERIFIER_nondet_char() [L653] send8 = __VERIFIER_nondet_msg_t() [L654] mode8 = __VERIFIER_nondet__Bool() [L336] int tmp ; [L339] COND FALSE !((int )r1 == 0) [L582] tmp = 0 [L584] return (tmp); [L655] i2 = init() Loop: [L712] COND TRUE ! arg End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 10:47:49.889 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_XWBhod/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:47:56.477 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check