/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/Problem14_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:11:53,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:11:53,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:11:53,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:11:53,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:11:53,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:11:53,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:11:53,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:11:53,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:11:53,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:11:53,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:11:53,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:11:53,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:11:53,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:11:53,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:11:53,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:11:53,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:11:53,536 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 21:11:53,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:11:53,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:11:53,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:11:53,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:11:53,556 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:11:53,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:11:53,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:11:53,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:11:53,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:11:53,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:11:53,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:11:53,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:11:53,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:11:53,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:11:53,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:11:53,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:11:53,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:11:53,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:11:53,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:11:53,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:11:53,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:11:53,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:11:53,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:11:53,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:11:53,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:11:53,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:11:53,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:11:53,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:11:53,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:11:53,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:11:53,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-11-23 21:11:53,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b78fa5d/3e0b2ba3ce7148b2baa2b1a4d2707451/FLAG671eb6e5d [2019-11-23 21:11:54,497 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:11:54,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2019-11-23 21:11:54,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b78fa5d/3e0b2ba3ce7148b2baa2b1a4d2707451/FLAG671eb6e5d [2019-11-23 21:11:54,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90b78fa5d/3e0b2ba3ce7148b2baa2b1a4d2707451 [2019-11-23 21:11:54,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:11:54,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:11:54,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:11:54,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:11:54,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:11:54,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:54" (1/1) ... [2019-11-23 21:11:54,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24577294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:54, skipping insertion in model container [2019-11-23 21:11:54,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:54" (1/1) ... [2019-11-23 21:11:54,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:11:54,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:11:55,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:11:55,510 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:11:55,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:11:55,726 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:11:55,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55 WrapperNode [2019-11-23 21:11:55,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:11:55,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:11:55,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:11:55,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:11:55,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:11:55,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:11:55,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:11:55,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:11:55,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (1/1) ... [2019-11-23 21:11:55,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:11:55,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:11:55,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:11:55,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:11:55,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (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 21:11:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:11:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:11:57,547 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:11:57,548 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-23 21:11:57,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:57 BoogieIcfgContainer [2019-11-23 21:11:57,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:11:57,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:11:57,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:11:57,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:11:57,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:54" (1/3) ... [2019-11-23 21:11:57,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a998ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:57, skipping insertion in model container [2019-11-23 21:11:57,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:55" (2/3) ... [2019-11-23 21:11:57,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a998ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:57, skipping insertion in model container [2019-11-23 21:11:57,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:57" (3/3) ... [2019-11-23 21:11:57,560 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2019-11-23 21:11:57,570 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:11:57,577 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:11:57,589 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:11:57,631 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:11:57,631 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:11:57,631 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:11:57,631 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:11:57,631 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:11:57,632 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:11:57,632 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:11:57,633 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:11:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-23 21:11:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-23 21:11:57,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:11:57,667 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] [2019-11-23 21:11:57,668 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:11:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:11:57,673 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2019-11-23 21:11:57,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:11:57,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694420133] [2019-11-23 21:11:57,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:11:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:11:58,203 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 21:11:58,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694420133] [2019-11-23 21:11:58,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:11:58,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:11:58,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336988694] [2019-11-23 21:11:58,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 21:11:58,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:11:58,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 21:11:58,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:11:58,238 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 6 states. [2019-11-23 21:12:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:00,549 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2019-11-23 21:12:00,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:12:00,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-11-23 21:12:00,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:00,575 INFO L225 Difference]: With dead ends: 852 [2019-11-23 21:12:00,575 INFO L226 Difference]: Without dead ends: 538 [2019-11-23 21:12:00,580 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-23 21:12:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-23 21:12:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-23 21:12:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2019-11-23 21:12:00,664 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 64 [2019-11-23 21:12:00,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:00,665 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2019-11-23 21:12:00,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 21:12:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2019-11-23 21:12:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-23 21:12:00,677 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:00,677 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:00,677 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:00,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:00,678 INFO L82 PathProgramCache]: Analyzing trace with hash 228116006, now seen corresponding path program 1 times [2019-11-23 21:12:00,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:00,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278094099] [2019-11-23 21:12:00,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-23 21:12:00,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278094099] [2019-11-23 21:12:00,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:12:00,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:12:00,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764596038] [2019-11-23 21:12:00,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:00,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:00,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:00,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 21:12:00,879 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 4 states. [2019-11-23 21:12:02,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:02,157 INFO L93 Difference]: Finished difference Result 1252 states and 1948 transitions. [2019-11-23 21:12:02,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:02,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-11-23 21:12:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:02,163 INFO L225 Difference]: With dead ends: 1252 [2019-11-23 21:12:02,163 INFO L226 Difference]: Without dead ends: 894 [2019-11-23 21:12:02,167 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 21:12:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-11-23 21:12:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-11-23 21:12:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-11-23 21:12:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1206 transitions. [2019-11-23 21:12:02,220 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1206 transitions. Word has length 200 [2019-11-23 21:12:02,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:02,220 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1206 transitions. [2019-11-23 21:12:02,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1206 transitions. [2019-11-23 21:12:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-23 21:12:02,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:02,241 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 21:12:02,241 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:02,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:02,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1127504167, now seen corresponding path program 1 times [2019-11-23 21:12:02,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:02,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891005909] [2019-11-23 21:12:02,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 164 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-23 21:12:02,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891005909] [2019-11-23 21:12:02,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345355018] [2019-11-23 21:12:02,518 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 21:12:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:02,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-23 21:12:02,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-23 21:12:02,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:02,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-11-23 21:12:02,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835518668] [2019-11-23 21:12:02,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:02,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:02,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:02,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:12:02,744 INFO L87 Difference]: Start difference. First operand 894 states and 1206 transitions. Second operand 4 states. [2019-11-23 21:12:04,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:04,183 INFO L93 Difference]: Finished difference Result 2506 states and 3498 transitions. [2019-11-23 21:12:04,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:12:04,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2019-11-23 21:12:04,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:04,193 INFO L225 Difference]: With dead ends: 2506 [2019-11-23 21:12:04,193 INFO L226 Difference]: Without dead ends: 1606 [2019-11-23 21:12:04,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-23 21:12:04,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-11-23 21:12:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-23 21:12:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1927 transitions. [2019-11-23 21:12:04,237 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1927 transitions. Word has length 223 [2019-11-23 21:12:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:04,238 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 1927 transitions. [2019-11-23 21:12:04,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1927 transitions. [2019-11-23 21:12:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2019-11-23 21:12:04,247 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:04,247 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:12:04,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:04,452 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash -438627073, now seen corresponding path program 1 times [2019-11-23 21:12:04,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:04,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773153743] [2019-11-23 21:12:04,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-23 21:12:04,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773153743] [2019-11-23 21:12:04,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799810984] [2019-11-23 21:12:04,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:04,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-23 21:12:04,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 297 proven. 56 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-23 21:12:05,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 21:12:05,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-11-23 21:12:05,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065569106] [2019-11-23 21:12:05,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 21:12:05,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:05,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 21:12:05,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:05,155 INFO L87 Difference]: Start difference. First operand 1428 states and 1927 transitions. Second operand 8 states. [2019-11-23 21:12:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:08,322 INFO L93 Difference]: Finished difference Result 5303 states and 7190 transitions. [2019-11-23 21:12:08,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-23 21:12:08,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 395 [2019-11-23 21:12:08,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:08,344 INFO L225 Difference]: With dead ends: 5303 [2019-11-23 21:12:08,344 INFO L226 Difference]: Without dead ends: 3564 [2019-11-23 21:12:08,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-11-23 21:12:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-11-23 21:12:08,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 2496. [2019-11-23 21:12:08,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-23 21:12:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2719 transitions. [2019-11-23 21:12:08,404 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2719 transitions. Word has length 395 [2019-11-23 21:12:08,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:08,404 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2719 transitions. [2019-11-23 21:12:08,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 21:12:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2719 transitions. [2019-11-23 21:12:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2019-11-23 21:12:08,416 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:12:08,417 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-23 21:12:08,620 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:08,621 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:12:08,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:12:08,622 INFO L82 PathProgramCache]: Analyzing trace with hash 374303904, now seen corresponding path program 1 times [2019-11-23 21:12:08,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:12:08,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400456625] [2019-11-23 21:12:08,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:12:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 609 proven. 4 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-23 21:12:09,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400456625] [2019-11-23 21:12:09,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177557502] [2019-11-23 21:12:09,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:12:09,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-23 21:12:09,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 21:12:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2019-11-23 21:12:10,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-23 21:12:10,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-23 21:12:10,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634094441] [2019-11-23 21:12:10,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 21:12:10,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:12:10,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 21:12:10,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:10,118 INFO L87 Difference]: Start difference. First operand 2496 states and 2719 transitions. Second operand 4 states. [2019-11-23 21:12:10,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:12:10,811 INFO L93 Difference]: Finished difference Result 4659 states and 5094 transitions. [2019-11-23 21:12:10,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 21:12:10,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 550 [2019-11-23 21:12:10,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:12:10,812 INFO L225 Difference]: With dead ends: 4659 [2019-11-23 21:12:10,812 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:12:10,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:12:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:12:10,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:12:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:12:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:12:10,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 550 [2019-11-23 21:12:10,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:12:10,819 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:12:10,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 21:12:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:12:10,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:12:11,022 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 21:12:11,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:12:11,199 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-23 21:12:11,199 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-23 21:12:11,199 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,199 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-23 21:12:11,200 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-23 21:12:11,201 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,202 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-23 21:12:11,203 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,204 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,205 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-23 21:12:11,206 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-23 21:12:11,207 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,208 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-23 21:12:11,209 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-23 21:12:11,210 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,211 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-23 21:12:11,212 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-23 21:12:11,213 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:12:11,214 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-23 21:12:11,215 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-23 21:12:11,216 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-23 21:12:11,217 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-23 21:12:11,218 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,219 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,220 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,221 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and .cse1 .cse0) (and (<= ~a12~0 80) .cse1 (<= ~a15~0 8)) (and .cse0 (= ~a21~0 9)) (and .cse0 (not (= ~a15~0 6))))) [2019-11-23 21:12:11,221 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-23 21:12:11,221 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-23 21:12:11,221 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-23 21:12:11,221 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,222 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-23 21:12:11,223 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-23 21:12:11,224 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-23 21:12:11,225 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,225 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,225 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-23 21:12:11,225 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,225 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-23 21:12:11,226 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and .cse1 .cse0) (and (<= ~a12~0 80) .cse1 (<= ~a15~0 8)) (and .cse0 (= ~a21~0 9)) (and .cse0 (not (= ~a15~0 6))))) [2019-11-23 21:12:11,226 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-23 21:12:11,226 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-23 21:12:11,226 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-23 21:12:11,226 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-23 21:12:11,226 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,227 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-23 21:12:11,228 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:12:11,229 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-23 21:12:11,230 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,231 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-23 21:12:11,232 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-23 21:12:11,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:11 BoogieIcfgContainer [2019-11-23 21:12:11,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:12:11,257 INFO L168 Benchmark]: Toolchain (without parser) took 16373.21 ms. Allocated memory was 145.2 MB in the beginning and 690.0 MB in the end (delta: 544.7 MB). Free memory was 100.0 MB in the beginning and 509.4 MB in the end (delta: -409.4 MB). Peak memory consumption was 135.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,258 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 21:12:11,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.71 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 157.1 MB in the end (delta: -57.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.09 ms. Allocated memory is still 202.4 MB. Free memory was 157.1 MB in the beginning and 147.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,261 INFO L168 Benchmark]: Boogie Preprocessor took 90.91 ms. Allocated memory is still 202.4 MB. Free memory was 147.1 MB in the beginning and 140.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,262 INFO L168 Benchmark]: RCFGBuilder took 1614.85 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 140.3 MB in the beginning and 127.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,263 INFO L168 Benchmark]: TraceAbstraction took 13702.97 ms. Allocated memory was 235.9 MB in the beginning and 690.0 MB in the end (delta: 454.0 MB). Free memory was 127.4 MB in the beginning and 509.4 MB in the end (delta: -382.1 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:12:11,268 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 844.71 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 157.1 MB in the end (delta: -57.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.09 ms. Allocated memory is still 202.4 MB. Free memory was 157.1 MB in the beginning and 147.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.91 ms. Allocated memory is still 202.4 MB. Free memory was 147.1 MB in the beginning and 140.3 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1614.85 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 140.3 MB in the beginning and 127.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13702.97 ms. Allocated memory was 235.9 MB in the beginning and 690.0 MB in the end (delta: 454.0 MB). Free memory was 127.4 MB in the beginning and 509.4 MB in the end (delta: -382.1 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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: 880]: Loop Invariant Derived loop invariant: ((((a24 == 1 && a21 == 10) || ((a12 + 43 <= 0 || 11 < a12) && a24 == 1)) || ((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && a15 <= 8)) || (a24 == 1 && a21 == 9)) || (a24 == 1 && !(a15 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a24 == 1 && a21 == 10) || ((a12 + 43 <= 0 || 11 < a12) && a24 == 1)) || ((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && a15 <= 8)) || (a24 == 1 && a21 == 9)) || (a24 == 1 && !(a15 == 6)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 13.6s, OverallIterations: 5, TraceHistogramMax: 5, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 138 SDtfs, 2323 SDslu, 79 SDs, 0 SdLazy, 5989 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1195 GetRequests, 1164 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2496occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1362 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2600 NumberOfCodeBlocks, 2600 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2592 ConstructedInterpolants, 0 QuantifiedInterpolants, 4604237 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1488 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 2978/3046 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...