java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 00:43:18,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 00:43:18,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 00:43:18,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-02 00:43:18,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 00:43:18,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 00:43:18,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 00:43:18,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 00:43:18,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 00:43:18,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 00:43:18,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 00:43:18,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 00:43:18,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 00:43:18,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 00:43:18,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 00:43:18,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 00:43:18,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 00:43:18,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 00:43:18,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 00:43:18,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 00:43:18,953 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 [2019-10-02 00:43:18,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 00:43:18,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 00:43:18,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 00:43:18,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 00:43:18,978 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 00:43:18,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 00:43:18,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 00:43:18,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 00:43:18,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 00:43:18,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 00:43:18,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 00:43:18,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 00:43:18,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 00:43:18,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 00:43:18,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 00:43:18,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 00:43:18,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 00:43:18,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 00:43:18,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 00:43:18,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 00:43:18,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 00:43:18,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:43:18,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 00:43:18,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 00:43:18,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 00:43:18,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 00:43:18,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 00:43:18,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 00:43:18,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 00:43:19,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 00:43:19,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 00:43:19,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 00:43:19,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 00:43:19,069 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 00:43:19,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-10-02 00:43:19,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa17e2c40/47079e0fab53435c9b776867adbf04de/FLAG3517ce15e [2019-10-02 00:43:19,708 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 00:43:19,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-10-02 00:43:19,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa17e2c40/47079e0fab53435c9b776867adbf04de/FLAG3517ce15e [2019-10-02 00:43:19,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa17e2c40/47079e0fab53435c9b776867adbf04de [2019-10-02 00:43:19,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 00:43:19,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 00:43:19,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 00:43:19,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 00:43:19,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 00:43:19,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:43:19" (1/1) ... [2019-10-02 00:43:19,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b0106d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:19, skipping insertion in model container [2019-10-02 00:43:19,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:43:19" (1/1) ... [2019-10-02 00:43:19,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 00:43:20,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 00:43:20,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:43:20,688 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 00:43:20,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:43:20,784 INFO L192 MainTranslator]: Completed translation [2019-10-02 00:43:20,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20 WrapperNode [2019-10-02 00:43:20,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 00:43:20,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 00:43:20,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 00:43:20,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 00:43:20,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (1/1) ... [2019-10-02 00:43:20,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 00:43:20,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 00:43:20,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 00:43:20,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 00:43:20,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (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 [2019-10-02 00:43:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 00:43:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 00:43:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 00:43:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 00:43:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 00:43:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 00:43:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 00:43:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 00:43:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 00:43:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 00:43:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 00:43:22,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 00:43:22,397 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 00:43:22,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:43:22 BoogieIcfgContainer [2019-10-02 00:43:22,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 00:43:22,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 00:43:22,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 00:43:22,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 00:43:22,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 12:43:19" (1/3) ... [2019-10-02 00:43:22,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4c7e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:43:22, skipping insertion in model container [2019-10-02 00:43:22,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:43:20" (2/3) ... [2019-10-02 00:43:22,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4c7e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:43:22, skipping insertion in model container [2019-10-02 00:43:22,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:43:22" (3/3) ... [2019-10-02 00:43:22,414 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label27.c [2019-10-02 00:43:22,426 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 00:43:22,436 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 00:43:22,455 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 00:43:22,507 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 00:43:22,508 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 00:43:22,508 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 00:43:22,509 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 00:43:22,509 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 00:43:22,509 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 00:43:22,509 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 00:43:22,510 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 00:43:22,510 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 00:43:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-02 00:43:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-02 00:43:22,558 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:22,560 INFO L411 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] [2019-10-02 00:43:22,563 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:22,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:22,569 INFO L82 PathProgramCache]: Analyzing trace with hash -2139727354, now seen corresponding path program 1 times [2019-10-02 00:43:22,571 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:22,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:22,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:22,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:22,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:23,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:23,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 00:43:23,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 00:43:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 00:43:23,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 00:43:23,258 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2019-10-02 00:43:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:24,471 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2019-10-02 00:43:24,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 00:43:24,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-10-02 00:43:24,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:24,507 INFO L225 Difference]: With dead ends: 698 [2019-10-02 00:43:24,507 INFO L226 Difference]: Without dead ends: 413 [2019-10-02 00:43:24,519 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 00:43:24,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-02 00:43:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 278. [2019-10-02 00:43:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-10-02 00:43:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2019-10-02 00:43:24,614 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 94 [2019-10-02 00:43:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:24,615 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2019-10-02 00:43:24,615 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 00:43:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2019-10-02 00:43:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-02 00:43:24,621 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:24,621 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2019-10-02 00:43:24,621 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1455606109, now seen corresponding path program 1 times [2019-10-02 00:43:24,622 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:24,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:24,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:24,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:24,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:24,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:24,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 00:43:24,731 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:43:24,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:43:24,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:43:24,732 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2019-10-02 00:43:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:25,504 INFO L93 Difference]: Finished difference Result 840 states and 1243 transitions. [2019-10-02 00:43:25,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:43:25,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-02 00:43:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:25,509 INFO L225 Difference]: With dead ends: 840 [2019-10-02 00:43:25,509 INFO L226 Difference]: Without dead ends: 568 [2019-10-02 00:43:25,510 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:43:25,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-02 00:43:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2019-10-02 00:43:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2019-10-02 00:43:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 799 transitions. [2019-10-02 00:43:25,557 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 799 transitions. Word has length 104 [2019-10-02 00:43:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:25,558 INFO L475 AbstractCegarLoop]: Abstraction has 556 states and 799 transitions. [2019-10-02 00:43:25,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:43:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 799 transitions. [2019-10-02 00:43:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-02 00:43:25,564 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:25,565 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-10-02 00:43:25,565 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:25,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1089398559, now seen corresponding path program 1 times [2019-10-02 00:43:25,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:25,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:25,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:25,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:25,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:25,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:25,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:43:25,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:43:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:43:25,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:43:25,751 INFO L87 Difference]: Start difference. First operand 556 states and 799 transitions. Second operand 3 states. [2019-10-02 00:43:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:26,279 INFO L93 Difference]: Finished difference Result 1513 states and 2201 transitions. [2019-10-02 00:43:26,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:43:26,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-10-02 00:43:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:26,286 INFO L225 Difference]: With dead ends: 1513 [2019-10-02 00:43:26,287 INFO L226 Difference]: Without dead ends: 963 [2019-10-02 00:43:26,289 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:43:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-10-02 00:43:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2019-10-02 00:43:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-10-02 00:43:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1344 transitions. [2019-10-02 00:43:26,330 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1344 transitions. Word has length 105 [2019-10-02 00:43:26,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:26,331 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1344 transitions. [2019-10-02 00:43:26,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:43:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1344 transitions. [2019-10-02 00:43:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-02 00:43:26,340 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:26,340 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2019-10-02 00:43:26,340 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash -414370937, now seen corresponding path program 1 times [2019-10-02 00:43:26,341 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:26,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:26,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:26,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:26,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:26,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:26,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 00:43:26,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 00:43:26,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 00:43:26,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 00:43:26,450 INFO L87 Difference]: Start difference. First operand 963 states and 1344 transitions. Second operand 6 states. [2019-10-02 00:43:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:27,217 INFO L93 Difference]: Finished difference Result 2502 states and 3606 transitions. [2019-10-02 00:43:27,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 00:43:27,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2019-10-02 00:43:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:27,227 INFO L225 Difference]: With dead ends: 2502 [2019-10-02 00:43:27,228 INFO L226 Difference]: Without dead ends: 1545 [2019-10-02 00:43:27,230 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 00:43:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2019-10-02 00:43:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1527. [2019-10-02 00:43:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2019-10-02 00:43:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2111 transitions. [2019-10-02 00:43:27,291 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2111 transitions. Word has length 117 [2019-10-02 00:43:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:27,292 INFO L475 AbstractCegarLoop]: Abstraction has 1527 states and 2111 transitions. [2019-10-02 00:43:27,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 00:43:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2111 transitions. [2019-10-02 00:43:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-02 00:43:27,297 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:27,297 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-10-02 00:43:27,297 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:27,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:27,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1750271410, now seen corresponding path program 1 times [2019-10-02 00:43:27,298 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:27,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:27,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:27,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:27,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:27,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:27,418 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-10-02 00:43:27,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:27,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 00:43:27,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-02 00:43:27,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 00:43:27,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-02 00:43:27,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 00:43:27,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 00:43:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 00:43:27,681 INFO L87 Difference]: Start difference. First operand 1527 states and 2111 transitions. Second operand 7 states. [2019-10-02 00:43:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:29,336 INFO L93 Difference]: Finished difference Result 3360 states and 4763 transitions. [2019-10-02 00:43:29,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 00:43:29,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2019-10-02 00:43:29,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:29,355 INFO L225 Difference]: With dead ends: 3360 [2019-10-02 00:43:29,356 INFO L226 Difference]: Without dead ends: 1839 [2019-10-02 00:43:29,362 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2019-10-02 00:43:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2019-10-02 00:43:29,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1402. [2019-10-02 00:43:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2019-10-02 00:43:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1867 transitions. [2019-10-02 00:43:29,448 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1867 transitions. Word has length 128 [2019-10-02 00:43:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:29,449 INFO L475 AbstractCegarLoop]: Abstraction has 1402 states and 1867 transitions. [2019-10-02 00:43:29,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 00:43:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1867 transitions. [2019-10-02 00:43:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-02 00:43:29,454 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:29,454 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 00:43:29,454 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:29,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:29,455 INFO L82 PathProgramCache]: Analyzing trace with hash 605294125, now seen corresponding path program 1 times [2019-10-02 00:43:29,455 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:29,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:29,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:29,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:29,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:43:29,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:43:29,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:43:29,674 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:43:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:43:29,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:43:29,674 INFO L87 Difference]: Start difference. First operand 1402 states and 1867 transitions. Second operand 3 states. [2019-10-02 00:43:30,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:30,188 INFO L93 Difference]: Finished difference Result 3203 states and 4265 transitions. [2019-10-02 00:43:30,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:43:30,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-10-02 00:43:30,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:30,189 INFO L225 Difference]: With dead ends: 3203 [2019-10-02 00:43:30,189 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 00:43:30,198 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:43:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 00:43:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 00:43:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 00:43:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 00:43:30,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2019-10-02 00:43:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:30,200 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 00:43:30,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:43:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 00:43:30,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 00:43:30,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 00:43:30,965 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-10-02 00:43:31,115 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:43:31,115 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a21~0 |old(~a21~0)|)) [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,116 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,117 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,117 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,117 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-02 00:43:31,117 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-02 00:43:31,121 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-02 00:43:31,121 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-02 00:43:31,122 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-02 00:43:31,123 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-02 00:43:31,124 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-02 00:43:31,124 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-02 00:43:31,124 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-02 00:43:31,124 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-02 00:43:31,126 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-02 00:43:31,126 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-02 00:43:31,126 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-02 00:43:31,126 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,127 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-02 00:43:31,128 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,129 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-02 00:43:31,130 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-02 00:43:31,131 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-02 00:43:31,132 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,132 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,132 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,132 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,132 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-02 00:43:31,133 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-02 00:43:31,134 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-02 00:43:31,134 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-02 00:43:31,134 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-02 00:43:31,134 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-02 00:43:31,134 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,135 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-02 00:43:31,136 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-02 00:43:31,137 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,138 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-02 00:43:31,139 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,140 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-02 00:43:31,141 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-02 00:43:31,142 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-02 00:43:31,142 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-02 00:43:31,142 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-02 00:43:31,143 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-02 00:43:31,143 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-02 00:43:31,144 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= ~a17~0 1)) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (not (= 1 |old(~a17~0)|))) (.cse6 (= 15 |old(~a8~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse8 (= ~a8~0 |old(~a8~0)|)) (.cse5 (or (not (= ~a7~0 ~a20~0)) (not (= 1 ~a7~0)))) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse3 (and (= |old(~a7~0)| |old(~a20~0)|) (= 1 |old(~a20~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse4) (or (or .cse1 .cse3 .cse4) (not (= ~a8~0 13)) (and .cse5 .cse2)) (or .cse0 .cse5 .cse3 .cse6 .cse4) (or (and .cse7 .cse8 .cse9) .cse6) (or .cse1 (= 13 |old(~a8~0)|) (and .cse7 .cse8 .cse5 .cse9) .cse3))) [2019-10-02 00:43:31,144 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-02 00:43:31,144 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,144 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-02 00:43:31,145 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-02 00:43:31,146 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-02 00:43:31,146 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-02 00:43:31,146 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-02 00:43:31,146 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-02 00:43:31,148 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-02 00:43:31,148 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,149 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-02 00:43:31,150 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-02 00:43:31,151 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-02 00:43:31,151 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-02 00:43:31,151 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-02 00:43:31,151 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-02 00:43:31,156 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,157 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-02 00:43:31,158 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-02 00:43:31,159 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-02 00:43:31,159 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-02 00:43:31,159 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-02 00:43:31,159 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-02 00:43:31,159 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-02 00:43:31,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 00:43:31,160 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 ~a20~0)) (not (= ~a16~0 6)) (= ~a17~0 1) (= ~a21~0 1) (not (= ~a8~0 13))) [2019-10-02 00:43:31,160 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 00:43:31,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 00:43:31,161 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (not (= ~a7~0 ~a20~0)) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a17~0 1) (= ~a21~0 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (= |old(~a7~0)| |old(~a20~0)|) (not (= 1 |old(~a17~0)|))) [2019-10-02 00:43:31,161 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:43:31,161 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and (or (not (= ~a7~0 ~a20~0)) (not (= 1 ~a7~0))) (= ~a21~0 1)) (not (= 1 |old(~a17~0)|)) (not (= 15 ~a8~0)) (= |old(~a7~0)| |old(~a20~0)|)) [2019-10-02 00:43:31,161 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-02 00:43:31,161 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-02 00:43:31,162 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and (or (not (= ~a7~0 ~a20~0)) (not (= 1 ~a7~0))) (= ~a21~0 1)) (not (= 1 |old(~a17~0)|)) (not (= 15 ~a8~0)) (= |old(~a7~0)| |old(~a20~0)|)) [2019-10-02 00:43:31,162 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-02 00:43:31,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:43:31 BoogieIcfgContainer [2019-10-02 00:43:31,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 00:43:31,188 INFO L168 Benchmark]: Toolchain (without parser) took 11258.41 ms. Allocated memory was 140.5 MB in the beginning and 386.4 MB in the end (delta: 245.9 MB). Free memory was 86.1 MB in the beginning and 336.7 MB in the end (delta: -250.6 MB). Peak memory consumption was 215.9 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,190 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.18 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 85.9 MB in the beginning and 171.2 MB in the end (delta: -85.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,195 INFO L168 Benchmark]: Boogie Preprocessor took 126.35 ms. Allocated memory is still 206.6 MB. Free memory was 171.2 MB in the beginning and 166.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,196 INFO L168 Benchmark]: RCFGBuilder took 1488.54 ms. Allocated memory was 206.6 MB in the beginning and 231.2 MB in the end (delta: 24.6 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,198 INFO L168 Benchmark]: TraceAbstraction took 8782.76 ms. Allocated memory was 231.2 MB in the beginning and 386.4 MB in the end (delta: 155.2 MB). Free memory was 181.6 MB in the beginning and 336.7 MB in the end (delta: -155.1 MB). Peak memory consumption was 220.8 MB. Max. memory is 7.1 GB. [2019-10-02 00:43:31,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 851.18 ms. Allocated memory was 140.5 MB in the beginning and 206.6 MB in the end (delta: 66.1 MB). Free memory was 85.9 MB in the beginning and 171.2 MB in the end (delta: -85.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.35 ms. Allocated memory is still 206.6 MB. Free memory was 171.2 MB in the beginning and 166.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1488.54 ms. Allocated memory was 206.6 MB in the beginning and 231.2 MB in the end (delta: 24.6 MB). Free memory was 166.5 MB in the beginning and 181.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8782.76 ms. Allocated memory was 231.2 MB in the beginning and 386.4 MB in the end (delta: 155.2 MB). Free memory was 181.6 MB in the beginning and 336.7 MB in the end (delta: -155.1 MB). Peak memory consumption was 220.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 440]: 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: 583]: Loop Invariant Derived loop invariant: (((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || ((!(a7 == a20) || !(1 == a7)) && a21 == 1)) || !(1 == \old(a17))) || !(15 == a8)) || \old(a7) == \old(a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 371 SDtfs, 1951 SDslu, 216 SDs, 0 SdLazy, 3637 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 602 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 80 NumberOfFragments, 305 HoareAnnotationTreeSize, 54 FomulaSimplifications, 3118 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 981 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 804 NumberOfCodeBlocks, 804 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 797 ConstructedInterpolants, 0 QuantifiedInterpolants, 264923 SizeOfPredicates, 2 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 142/144 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...