/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:51:27,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:51:27,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:51:27,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 20:51:27,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 20:51:27,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 20:51:27,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 20:51:27,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 20:51:27,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 20:51:27,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 20:51:27,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 20:51:27,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 20:51:27,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 20:51:27,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 20:51:27,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 20:51:27,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 20:51:27,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 20:51:27,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 20:51:27,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:51:27,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:51:27,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:51:27,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:51:27,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:51:27,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:51:27,799 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:51:27,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:51:27,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:51:27,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:51:27,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:51:27,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:51:27,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:51:27,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:51:27,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:51:27,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:51:27,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:51:27,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:51:27,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:51:27,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:51:27,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:51:27,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:51:27,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:51:27,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:51:27,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:51:28,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:51:28,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:51:28,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:51:28,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:51:28,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:51:28,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2019-11-23 20:51:28,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79bb5264/7e8373e1df514faab28a228cfd184001/FLAGa29f7db36 [2019-11-23 20:51:28,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:51:28,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2019-11-23 20:51:28,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79bb5264/7e8373e1df514faab28a228cfd184001/FLAGa29f7db36 [2019-11-23 20:51:28,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f79bb5264/7e8373e1df514faab28a228cfd184001 [2019-11-23 20:51:28,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:51:28,995 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:51:28,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:51:28,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:51:28,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:51:29,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:51:28" (1/1) ... [2019-11-23 20:51:29,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b68018e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29, skipping insertion in model container [2019-11-23 20:51:29,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:51:28" (1/1) ... [2019-11-23 20:51:29,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:51:29,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:51:29,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:51:29,606 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:51:29,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:51:29,733 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:51:29,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29 WrapperNode [2019-11-23 20:51:29,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:51:29,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:51:29,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:51:29,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:51:29,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:51:29,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:51:29,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:51:29,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:51:29,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... [2019-11-23 20:51:29,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:51:29,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:51:29,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:51:29,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:51:29,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:51:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:51:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:51:31,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:51:31,201 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 20:51:31,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:51:31 BoogieIcfgContainer [2019-11-23 20:51:31,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:51:31,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:51:31,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:51:31,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:51:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:51:28" (1/3) ... [2019-11-23 20:51:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49551cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:51:31, skipping insertion in model container [2019-11-23 20:51:31,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:51:29" (2/3) ... [2019-11-23 20:51:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49551cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:51:31, skipping insertion in model container [2019-11-23 20:51:31,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:51:31" (3/3) ... [2019-11-23 20:51:31,211 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label07.c [2019-11-23 20:51:31,221 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:51:31,229 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 20:51:31,241 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 20:51:31,269 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:51:31,270 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:51:31,270 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:51:31,270 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:51:31,270 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:51:31,271 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:51:31,271 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:51:31,271 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:51:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-23 20:51:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-23 20:51:31,303 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:31,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:31,305 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:31,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:31,311 INFO L82 PathProgramCache]: Analyzing trace with hash -921862001, now seen corresponding path program 1 times [2019-11-23 20:51:31,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:31,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542517626] [2019-11-23 20:51:31,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:51:31,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542517626] [2019-11-23 20:51:31,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:31,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:51:31,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729748253] [2019-11-23 20:51:31,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:51:31,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:51:31,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:51:31,793 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-23 20:51:33,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:33,300 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-23 20:51:33,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:51:33,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-11-23 20:51:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:33,335 INFO L225 Difference]: With dead ends: 662 [2019-11-23 20:51:33,335 INFO L226 Difference]: Without dead ends: 397 [2019-11-23 20:51:33,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:51:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-23 20:51:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-23 20:51:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-23 20:51:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2019-11-23 20:51:33,445 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 104 [2019-11-23 20:51:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:33,446 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2019-11-23 20:51:33,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:51:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2019-11-23 20:51:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-23 20:51:33,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:33,450 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:33,451 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1868535399, now seen corresponding path program 1 times [2019-11-23 20:51:33,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:33,452 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751345217] [2019-11-23 20:51:33,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:51:33,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751345217] [2019-11-23 20:51:33,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:33,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:51:33,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617695552] [2019-11-23 20:51:33,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:51:33,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:33,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:51:33,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:51:33,523 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 4 states. [2019-11-23 20:51:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:34,191 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2019-11-23 20:51:34,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:34,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2019-11-23 20:51:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:34,197 INFO L225 Difference]: With dead ends: 1185 [2019-11-23 20:51:34,197 INFO L226 Difference]: Without dead ends: 790 [2019-11-23 20:51:34,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:51:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-23 20:51:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-23 20:51:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-23 20:51:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1066 transitions. [2019-11-23 20:51:34,250 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1066 transitions. Word has length 109 [2019-11-23 20:51:34,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:34,251 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1066 transitions. [2019-11-23 20:51:34,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:51:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1066 transitions. [2019-11-23 20:51:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-23 20:51:34,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:34,286 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:34,286 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:34,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:34,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1841343471, now seen corresponding path program 1 times [2019-11-23 20:51:34,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:34,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569903498] [2019-11-23 20:51:34,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-23 20:51:34,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569903498] [2019-11-23 20:51:34,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:34,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:51:34,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499241965] [2019-11-23 20:51:34,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:51:34,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:34,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:51:34,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:34,430 INFO L87 Difference]: Start difference. First operand 790 states and 1066 transitions. Second operand 3 states. [2019-11-23 20:51:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:34,931 INFO L93 Difference]: Finished difference Result 1971 states and 2686 transitions. [2019-11-23 20:51:34,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:34,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-11-23 20:51:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:34,938 INFO L225 Difference]: With dead ends: 1971 [2019-11-23 20:51:34,938 INFO L226 Difference]: Without dead ends: 1183 [2019-11-23 20:51:34,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:34,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-11-23 20:51:34,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2019-11-23 20:51:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-11-23 20:51:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1246 transitions. [2019-11-23 20:51:34,969 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1246 transitions. Word has length 130 [2019-11-23 20:51:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:34,969 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1246 transitions. [2019-11-23 20:51:34,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:51:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1246 transitions. [2019-11-23 20:51:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-23 20:51:34,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:34,973 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:34,974 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:34,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1994696756, now seen corresponding path program 1 times [2019-11-23 20:51:34,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:34,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973095530] [2019-11-23 20:51:34,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-23 20:51:35,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973095530] [2019-11-23 20:51:35,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:35,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:51:35,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261322760] [2019-11-23 20:51:35,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:51:35,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:35,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:51:35,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:35,166 INFO L87 Difference]: Start difference. First operand 921 states and 1246 transitions. Second operand 3 states. [2019-11-23 20:51:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:35,641 INFO L93 Difference]: Finished difference Result 2233 states and 2997 transitions. [2019-11-23 20:51:35,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:35,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-11-23 20:51:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:35,651 INFO L225 Difference]: With dead ends: 2233 [2019-11-23 20:51:35,651 INFO L226 Difference]: Without dead ends: 1314 [2019-11-23 20:51:35,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:35,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-23 20:51:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2019-11-23 20:51:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-23 20:51:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1526 transitions. [2019-11-23 20:51:35,694 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1526 transitions. Word has length 166 [2019-11-23 20:51:35,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:35,694 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1526 transitions. [2019-11-23 20:51:35,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:51:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1526 transitions. [2019-11-23 20:51:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-23 20:51:35,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:35,701 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:35,702 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:35,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:35,703 INFO L82 PathProgramCache]: Analyzing trace with hash -317868088, now seen corresponding path program 1 times [2019-11-23 20:51:35,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:35,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122506315] [2019-11-23 20:51:35,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-23 20:51:35,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122506315] [2019-11-23 20:51:35,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:35,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:51:35,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489363422] [2019-11-23 20:51:35,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:51:35,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:35,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:51:35,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:51:35,899 INFO L87 Difference]: Start difference. First operand 1183 states and 1526 transitions. Second operand 4 states. [2019-11-23 20:51:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:36,564 INFO L93 Difference]: Finished difference Result 2500 states and 3204 transitions. [2019-11-23 20:51:36,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 20:51:36,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-23 20:51:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:36,573 INFO L225 Difference]: With dead ends: 2500 [2019-11-23 20:51:36,573 INFO L226 Difference]: Without dead ends: 1319 [2019-11-23 20:51:36,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:51:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2019-11-23 20:51:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1314. [2019-11-23 20:51:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-23 20:51:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1663 transitions. [2019-11-23 20:51:36,611 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1663 transitions. Word has length 174 [2019-11-23 20:51:36,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:36,612 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1663 transitions. [2019-11-23 20:51:36,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:51:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1663 transitions. [2019-11-23 20:51:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-23 20:51:36,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:36,619 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:36,619 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:36,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:36,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2132251648, now seen corresponding path program 1 times [2019-11-23 20:51:36,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:36,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936717920] [2019-11-23 20:51:36,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-23 20:51:36,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936717920] [2019-11-23 20:51:36,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:36,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:51:36,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542154208] [2019-11-23 20:51:36,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 20:51:36,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:36,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 20:51:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:51:36,743 INFO L87 Difference]: Start difference. First operand 1314 states and 1663 transitions. Second operand 5 states. [2019-11-23 20:51:37,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:37,762 INFO L93 Difference]: Finished difference Result 2757 states and 3527 transitions. [2019-11-23 20:51:37,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 20:51:37,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2019-11-23 20:51:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:37,773 INFO L225 Difference]: With dead ends: 2757 [2019-11-23 20:51:37,773 INFO L226 Difference]: Without dead ends: 1576 [2019-11-23 20:51:37,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:51:37,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-23 20:51:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2019-11-23 20:51:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-23 20:51:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1949 transitions. [2019-11-23 20:51:37,815 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1949 transitions. Word has length 178 [2019-11-23 20:51:37,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:37,815 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1949 transitions. [2019-11-23 20:51:37,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 20:51:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1949 transitions. [2019-11-23 20:51:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-23 20:51:37,820 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:37,820 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:37,820 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash 99708699, now seen corresponding path program 1 times [2019-11-23 20:51:37,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:37,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011572858] [2019-11-23 20:51:37,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-23 20:51:37,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011572858] [2019-11-23 20:51:37,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:37,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 20:51:37,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866721430] [2019-11-23 20:51:37,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:51:37,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:37,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:51:37,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:37,896 INFO L87 Difference]: Start difference. First operand 1576 states and 1949 transitions. Second operand 3 states. [2019-11-23 20:51:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:38,425 INFO L93 Difference]: Finished difference Result 3412 states and 4236 transitions. [2019-11-23 20:51:38,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:38,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-11-23 20:51:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:38,432 INFO L225 Difference]: With dead ends: 3412 [2019-11-23 20:51:38,432 INFO L226 Difference]: Without dead ends: 1707 [2019-11-23 20:51:38,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:38,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-23 20:51:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-11-23 20:51:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-23 20:51:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1732 transitions. [2019-11-23 20:51:38,465 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1732 transitions. Word has length 181 [2019-11-23 20:51:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:38,465 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1732 transitions. [2019-11-23 20:51:38,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:51:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1732 transitions. [2019-11-23 20:51:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-23 20:51:38,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:38,471 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:38,471 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:38,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1795821409, now seen corresponding path program 1 times [2019-11-23 20:51:38,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:38,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100147795] [2019-11-23 20:51:38,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-23 20:51:38,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100147795] [2019-11-23 20:51:38,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:51:38,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-23 20:51:38,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992349051] [2019-11-23 20:51:38,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:51:38,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:38,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:51:38,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:38,570 INFO L87 Difference]: Start difference. First operand 1576 states and 1732 transitions. Second operand 3 states. [2019-11-23 20:51:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:38,967 INFO L93 Difference]: Finished difference Result 3543 states and 3930 transitions. [2019-11-23 20:51:38,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:38,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-11-23 20:51:38,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:38,977 INFO L225 Difference]: With dead ends: 3543 [2019-11-23 20:51:38,977 INFO L226 Difference]: Without dead ends: 2100 [2019-11-23 20:51:38,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 20:51:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-11-23 20:51:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2019-11-23 20:51:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-11-23 20:51:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1869 transitions. [2019-11-23 20:51:39,023 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1869 transitions. Word has length 196 [2019-11-23 20:51:39,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:39,024 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1869 transitions. [2019-11-23 20:51:39,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:51:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1869 transitions. [2019-11-23 20:51:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-23 20:51:39,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:51:39,056 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:51:39,056 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:51:39,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:51:39,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1683837293, now seen corresponding path program 1 times [2019-11-23 20:51:39,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:51:39,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448611879] [2019-11-23 20:51:39,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:51:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 205 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-23 20:51:39,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448611879] [2019-11-23 20:51:39,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64196681] [2019-11-23 20:51:39,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:51:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:51:39,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-23 20:51:39,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 20:51:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-23 20:51:39,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 20:51:39,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 20:51:39,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246311145] [2019-11-23 20:51:39,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 20:51:39,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:51:39,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 20:51:39,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:51:39,647 INFO L87 Difference]: Start difference. First operand 1707 states and 1869 transitions. Second operand 3 states. [2019-11-23 20:51:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:51:40,121 INFO L93 Difference]: Finished difference Result 1707 states and 1869 transitions. [2019-11-23 20:51:40,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 20:51:40,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-11-23 20:51:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:51:40,123 INFO L225 Difference]: With dead ends: 1707 [2019-11-23 20:51:40,123 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:51:40,125 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-23 20:51:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:51:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:51:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:51:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:51:40,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2019-11-23 20:51:40,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:51:40,127 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:51:40,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 20:51:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:51:40,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:51:40,328 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 20:51:40,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:51:40,586 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-23 20:51:40,586 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-23 20:51:40,586 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,586 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,587 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,587 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,587 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,587 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,587 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-23 20:51:40,588 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-23 20:51:40,588 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-23 20:51:40,588 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-23 20:51:40,588 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-23 20:51:40,588 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,589 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-23 20:51:40,590 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-23 20:51:40,591 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,592 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-23 20:51:40,593 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-23 20:51:40,594 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-23 20:51:40,594 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-23 20:51:40,594 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (not (= ~a16~0 6)) .cse0) (and .cse0 (= 15 ~a8~0)) (and (= ~a17~0 1) .cse0 (= ~a20~0 1)) (and (= 1 ~a7~0) (<= ~a21~0 0)))) [2019-11-23 20:51:40,594 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,594 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,594 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-23 20:51:40,595 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-23 20:51:40,596 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-23 20:51:40,596 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-23 20:51:40,597 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-23 20:51:40,598 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-23 20:51:40,598 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-23 20:51:40,598 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-23 20:51:40,598 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,599 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-23 20:51:40,600 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-23 20:51:40,601 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-23 20:51:40,601 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:51:40,601 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-23 20:51:40,601 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-23 20:51:40,601 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-23 20:51:40,602 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-23 20:51:40,602 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-23 20:51:40,602 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-23 20:51:40,602 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,602 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (not (= ~a16~0 6)) .cse0) (and .cse0 (= 15 ~a8~0)) (and (= ~a17~0 1) .cse0 (= ~a20~0 1)) (and (= 1 ~a7~0) (<= ~a21~0 0)))) [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-23 20:51:40,603 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-23 20:51:40,604 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-23 20:51:40,605 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:51:40,606 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-23 20:51:40,606 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-23 20:51:40,606 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-23 20:51:40,606 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-23 20:51:40,606 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-23 20:51:40,607 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-23 20:51:40,608 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,608 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,608 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,608 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,608 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-23 20:51:40,609 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-23 20:51:40,610 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-23 20:51:40,611 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-23 20:51:40,612 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-23 20:51:40,613 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,614 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-23 20:51:40,615 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-23 20:51:40,616 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-23 20:51:40,616 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-23 20:51:40,616 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-23 20:51:40,616 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-23 20:51:40,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:51:40 BoogieIcfgContainer [2019-11-23 20:51:40,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:51:40,644 INFO L168 Benchmark]: Toolchain (without parser) took 11647.16 ms. Allocated memory was 138.9 MB in the beginning and 410.5 MB in the end (delta: 271.6 MB). Free memory was 101.7 MB in the beginning and 291.6 MB in the end (delta: -189.9 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,646 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.73 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 101.5 MB in the beginning and 172.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.65 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 165.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,655 INFO L168 Benchmark]: Boogie Preprocessor took 119.57 ms. Allocated memory is still 206.0 MB. Free memory was 165.7 MB in the beginning and 161.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,656 INFO L168 Benchmark]: RCFGBuilder took 1252.17 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 161.0 MB in the beginning and 173.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,658 INFO L168 Benchmark]: TraceAbstraction took 9436.12 ms. Allocated memory was 239.6 MB in the beginning and 410.5 MB in the end (delta: 170.9 MB). Free memory was 173.1 MB in the beginning and 291.6 MB in the end (delta: -118.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-11-23 20:51:40,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.73 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 101.5 MB in the beginning and 172.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 95.65 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 165.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.57 ms. Allocated memory is still 206.0 MB. Free memory was 165.7 MB in the beginning and 161.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1252.17 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 161.0 MB in the beginning and 173.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9436.12 ms. Allocated memory was 239.6 MB in the beginning and 410.5 MB in the end (delta: 170.9 MB). Free memory was 173.1 MB in the beginning and 291.6 MB in the end (delta: -118.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (a21 == 1 && 15 == a8)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (1 == a7 && a21 <= 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (a21 == 1 && 15 == a8)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (1 == a7 && a21 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 9.3s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 724 SDtfs, 1765 SDslu, 86 SDs, 0 SdLazy, 4165 SolverSat, 647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 922 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 67 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1499 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 210 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1688 NumberOfCodeBlocks, 1688 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 616192 SizeOfPredicates, 1 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1401/1428 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...