/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:05:27,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:05:27,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:05:27,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 19:05:27,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:05:27,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:05:27,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:05:27,648 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 [2019-11-06 19:05:27,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:05:27,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:05:27,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:05:27,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:05:27,666 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:05:27,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:05:27,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:05:27,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:05:27,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:05:27,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:05:27,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:05:27,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:05:27,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:05:27,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:05:27,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:05:27,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:05:27,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:05:27,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:05:27,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:05:27,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:05:27,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:05:27,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:05:27,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:05:27,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:05:27,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:05:27,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:05:27,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:05:27,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:05:27,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:05:27,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-11-06 19:05:28,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ed357c/afce85d8ad2740609ccec31abdd31d7f/FLAGa01098f8c [2019-11-06 19:05:28,665 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:05:28,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27.c [2019-11-06 19:05:28,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ed357c/afce85d8ad2740609ccec31abdd31d7f/FLAGa01098f8c [2019-11-06 19:05:28,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5ed357c/afce85d8ad2740609ccec31abdd31d7f [2019-11-06 19:05:28,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:05:28,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:05:28,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:05:28,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:05:28,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:05:28,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:28" (1/1) ... [2019-11-06 19:05:28,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c10dc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:28, skipping insertion in model container [2019-11-06 19:05:28,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:28" (1/1) ... [2019-11-06 19:05:28,966 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:05:29,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:05:29,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:05:29,548 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:05:29,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:05:29,657 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:05:29,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29 WrapperNode [2019-11-06 19:05:29,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:05:29,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:05:29,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:05:29,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:05:29,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... [2019-11-06 19:05:29,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:05:29,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:05:29,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:05:29,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:05:29,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:05:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:05:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:05:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:05:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:05:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:05:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:05:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:05:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:05:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:05:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:05:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:05:31,131 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:05:31,131 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:05:31,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:05:31 BoogieIcfgContainer [2019-11-06 19:05:31,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:05:31,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:05:31,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:05:31,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:05:31,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:05:28" (1/3) ... [2019-11-06 19:05:31,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b3389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:05:31, skipping insertion in model container [2019-11-06 19:05:31,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:29" (2/3) ... [2019-11-06 19:05:31,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b3389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:05:31, skipping insertion in model container [2019-11-06 19:05:31,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:05:31" (3/3) ... [2019-11-06 19:05:31,141 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2019-11-06 19:05:31,152 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:05:31,161 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:05:31,173 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:05:31,202 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:05:31,202 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:05:31,202 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:05:31,202 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:05:31,204 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:05:31,205 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:05:31,205 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:05:31,205 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:05:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:05:31,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-06 19:05:31,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:31,243 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:31,245 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:31,252 INFO L82 PathProgramCache]: Analyzing trace with hash 215216599, now seen corresponding path program 1 times [2019-11-06 19:05:31,260 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:31,261 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042233039] [2019-11-06 19:05:31,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:31,719 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042233039] [2019-11-06 19:05:31,719 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:05:31,720 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:05:31,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572431984] [2019-11-06 19:05:31,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:05:31,730 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:31,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:05:31,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:05:31,747 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:05:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:33,690 INFO L93 Difference]: Finished difference Result 745 states and 1317 transitions. [2019-11-06 19:05:33,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:05:33,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-11-06 19:05:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:33,712 INFO L225 Difference]: With dead ends: 745 [2019-11-06 19:05:33,712 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:05:33,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:33,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:05:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 296. [2019-11-06 19:05:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-06 19:05:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2019-11-06 19:05:33,797 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 66 [2019-11-06 19:05:33,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:33,797 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2019-11-06 19:05:33,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:05:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2019-11-06 19:05:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 19:05:33,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:33,805 INFO L410 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, 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] [2019-11-06 19:05:33,805 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:33,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:33,806 INFO L82 PathProgramCache]: Analyzing trace with hash -51785766, now seen corresponding path program 1 times [2019-11-06 19:05:33,806 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:33,806 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938590145] [2019-11-06 19:05:33,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-06 19:05:34,090 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938590145] [2019-11-06 19:05:34,091 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338735739] [2019-11-06 19:05:34,091 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 [2019-11-06 19:05:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:34,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:34,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:34,307 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:05:34,307 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 19:05:34,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383834700] [2019-11-06 19:05:34,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:05:34,311 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:34,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:05:34,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:05:34,312 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2019-11-06 19:05:34,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:34,939 INFO L93 Difference]: Finished difference Result 586 states and 898 transitions. [2019-11-06 19:05:34,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:05:34,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-06 19:05:34,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:34,946 INFO L225 Difference]: With dead ends: 586 [2019-11-06 19:05:34,946 INFO L226 Difference]: Without dead ends: 584 [2019-11-06 19:05:34,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:05:34,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-06 19:05:34,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 441. [2019-11-06 19:05:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-11-06 19:05:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2019-11-06 19:05:34,980 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 136 [2019-11-06 19:05:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:34,982 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2019-11-06 19:05:34,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:05:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2019-11-06 19:05:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-06 19:05:34,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:34,988 INFO L410 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, 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:35,191 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:35,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:35,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:35,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1642827225, now seen corresponding path program 1 times [2019-11-06 19:05:35,196 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:35,196 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874519792] [2019-11-06 19:05:35,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:35,631 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874519792] [2019-11-06 19:05:35,631 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:05:35,632 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 19:05:35,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33731536] [2019-11-06 19:05:35,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 19:05:35,633 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:35,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 19:05:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:05:35,634 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2019-11-06 19:05:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:38,283 INFO L93 Difference]: Finished difference Result 1508 states and 2459 transitions. [2019-11-06 19:05:38,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 19:05:38,288 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2019-11-06 19:05:38,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:38,297 INFO L225 Difference]: With dead ends: 1508 [2019-11-06 19:05:38,297 INFO L226 Difference]: Without dead ends: 1073 [2019-11-06 19:05:38,299 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-06 19:05:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2019-11-06 19:05:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 1039. [2019-11-06 19:05:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-11-06 19:05:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1562 transitions. [2019-11-06 19:05:38,361 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1562 transitions. Word has length 191 [2019-11-06 19:05:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:38,361 INFO L462 AbstractCegarLoop]: Abstraction has 1039 states and 1562 transitions. [2019-11-06 19:05:38,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 19:05:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1562 transitions. [2019-11-06 19:05:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-06 19:05:38,368 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:38,368 INFO L410 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:05:38,369 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1426970602, now seen corresponding path program 1 times [2019-11-06 19:05:38,369 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:38,370 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557503727] [2019-11-06 19:05:38,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:38,797 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557503727] [2019-11-06 19:05:38,797 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:05:38,797 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:05:38,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649135617] [2019-11-06 19:05:38,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:05:38,799 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:38,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:05:38,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:05:38,801 INFO L87 Difference]: Start difference. First operand 1039 states and 1562 transitions. Second operand 9 states. [2019-11-06 19:05:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:40,747 INFO L93 Difference]: Finished difference Result 3610 states and 5784 transitions. [2019-11-06 19:05:40,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 19:05:40,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2019-11-06 19:05:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:40,770 INFO L225 Difference]: With dead ends: 3610 [2019-11-06 19:05:40,770 INFO L226 Difference]: Without dead ends: 2577 [2019-11-06 19:05:40,775 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-11-06 19:05:40,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2019-11-06 19:05:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2257. [2019-11-06 19:05:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2257 states. [2019-11-06 19:05:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3242 transitions. [2019-11-06 19:05:40,934 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3242 transitions. Word has length 192 [2019-11-06 19:05:40,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:40,935 INFO L462 AbstractCegarLoop]: Abstraction has 2257 states and 3242 transitions. [2019-11-06 19:05:40,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:05:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3242 transitions. [2019-11-06 19:05:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-06 19:05:40,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:40,944 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, 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] [2019-11-06 19:05:40,945 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:40,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:40,945 INFO L82 PathProgramCache]: Analyzing trace with hash 699242395, now seen corresponding path program 1 times [2019-11-06 19:05:40,946 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:40,946 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626744523] [2019-11-06 19:05:40,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:05:41,310 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626744523] [2019-11-06 19:05:41,311 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031846048] [2019-11-06 19:05:41,311 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 [2019-11-06 19:05:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:41,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:41,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:41,596 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:41,597 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:05:41,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708844366] [2019-11-06 19:05:41,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:05:41,598 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:41,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:05:41,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:05:41,599 INFO L87 Difference]: Start difference. First operand 2257 states and 3242 transitions. Second operand 11 states. [2019-11-06 19:05:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:44,837 INFO L93 Difference]: Finished difference Result 6965 states and 11643 transitions. [2019-11-06 19:05:44,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-06 19:05:44,838 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2019-11-06 19:05:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:44,862 INFO L225 Difference]: With dead ends: 6965 [2019-11-06 19:05:44,863 INFO L226 Difference]: Without dead ends: 2987 [2019-11-06 19:05:44,882 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-11-06 19:05:44,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2019-11-06 19:05:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2647. [2019-11-06 19:05:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2019-11-06 19:05:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3907 transitions. [2019-11-06 19:05:45,068 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3907 transitions. Word has length 270 [2019-11-06 19:05:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:45,069 INFO L462 AbstractCegarLoop]: Abstraction has 2647 states and 3907 transitions. [2019-11-06 19:05:45,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:05:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3907 transitions. [2019-11-06 19:05:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-11-06 19:05:45,083 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:45,084 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, 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, 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] [2019-11-06 19:05:45,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:45,288 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:45,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:45,288 INFO L82 PathProgramCache]: Analyzing trace with hash 812762531, now seen corresponding path program 1 times [2019-11-06 19:05:45,289 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:45,289 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146506877] [2019-11-06 19:05:45,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 227 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 19:05:45,712 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146506877] [2019-11-06 19:05:45,712 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000852059] [2019-11-06 19:05:45,712 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 [2019-11-06 19:05:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:45,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:45,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:05:45,964 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:45,964 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-11-06 19:05:45,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092357436] [2019-11-06 19:05:45,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:05:45,966 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:45,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:05:45,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:05:45,966 INFO L87 Difference]: Start difference. First operand 2647 states and 3907 transitions. Second operand 11 states. [2019-11-06 19:05:47,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:47,324 INFO L93 Difference]: Finished difference Result 5470 states and 7731 transitions. [2019-11-06 19:05:47,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:05:47,325 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 306 [2019-11-06 19:05:47,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:47,342 INFO L225 Difference]: With dead ends: 5470 [2019-11-06 19:05:47,343 INFO L226 Difference]: Without dead ends: 2877 [2019-11-06 19:05:47,355 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-11-06 19:05:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2019-11-06 19:05:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2690. [2019-11-06 19:05:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2019-11-06 19:05:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3511 transitions. [2019-11-06 19:05:47,452 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3511 transitions. Word has length 306 [2019-11-06 19:05:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:47,453 INFO L462 AbstractCegarLoop]: Abstraction has 2690 states and 3511 transitions. [2019-11-06 19:05:47,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:05:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3511 transitions. [2019-11-06 19:05:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-11-06 19:05:47,512 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:47,513 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, 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, 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] [2019-11-06 19:05:47,716 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:47,717 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:47,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:47,717 INFO L82 PathProgramCache]: Analyzing trace with hash -981057244, now seen corresponding path program 1 times [2019-11-06 19:05:47,718 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:47,718 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005425635] [2019-11-06 19:05:47,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-06 19:05:48,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005425635] [2019-11-06 19:05:48,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039143092] [2019-11-06 19:05:48,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:48,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:48,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-06 19:05:48,520 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:05:48,521 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-11-06 19:05:48,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287820206] [2019-11-06 19:05:48,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:05:48,524 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:48,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:05:48,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:05:48,525 INFO L87 Difference]: Start difference. First operand 2690 states and 3511 transitions. Second operand 9 states. [2019-11-06 19:05:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:50,494 INFO L93 Difference]: Finished difference Result 5903 states and 8382 transitions. [2019-11-06 19:05:50,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 19:05:50,494 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 378 [2019-11-06 19:05:50,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:50,515 INFO L225 Difference]: With dead ends: 5903 [2019-11-06 19:05:50,516 INFO L226 Difference]: Without dead ends: 3362 [2019-11-06 19:05:50,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-11-06 19:05:50,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2019-11-06 19:05:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3270. [2019-11-06 19:05:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3270 states. [2019-11-06 19:05:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 4234 transitions. [2019-11-06 19:05:50,665 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 4234 transitions. Word has length 378 [2019-11-06 19:05:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:50,666 INFO L462 AbstractCegarLoop]: Abstraction has 3270 states and 4234 transitions. [2019-11-06 19:05:50,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:05:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 4234 transitions. [2019-11-06 19:05:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-11-06 19:05:50,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:05:50,680 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, 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, 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] [2019-11-06 19:05:50,885 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:50,885 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:05:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:05:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 832028093, now seen corresponding path program 1 times [2019-11-06 19:05:50,886 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:05:50,886 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686557408] [2019-11-06 19:05:50,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:05:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-06 19:05:51,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686557408] [2019-11-06 19:05:51,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582797798] [2019-11-06 19:05:51,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:05:51,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:05:51,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:05:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-06 19:05:51,785 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:05:51,785 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 19:05:51,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299744312] [2019-11-06 19:05:51,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:05:51,787 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:05:51,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:05:51,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:51,788 INFO L87 Difference]: Start difference. First operand 3270 states and 4234 transitions. Second operand 3 states. [2019-11-06 19:05:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:05:52,280 INFO L93 Difference]: Finished difference Result 6824 states and 8901 transitions. [2019-11-06 19:05:52,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:05:52,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2019-11-06 19:05:52,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:05:52,281 INFO L225 Difference]: With dead ends: 6824 [2019-11-06 19:05:52,282 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:05:52,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:05:52,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:05:52,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:05:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:05:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:05:52,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2019-11-06 19:05:52,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:05:52,298 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:05:52,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:05:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:05:52,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:05:52,508 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:05:52,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:05:53,073 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2019-11-06 19:05:53,254 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 28 [2019-11-06 19:05:53,743 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 37 [2019-11-06 19:05:53,871 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:05:53,871 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-11-06 19:05:53,871 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:05:53,871 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:05:53,871 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:05:53,872 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:05:53,873 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:05:53,874 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:05:53,875 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,876 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:05:53,877 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,878 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:05:53,879 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,880 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,881 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:05:53,882 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:05:53,883 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:05:53,883 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:05:53,885 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:05:53,886 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:05:53,887 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:05:53,888 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,889 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,890 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,890 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,890 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:05:53,891 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:05:53,893 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:05:53,893 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:05:53,893 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:05:53,893 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:05:53,895 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (and .cse4 .cse2 .cse3)) (.cse0 (and .cse2 .cse3 .cse4))) (and (or .cse0 (not (<= 9 |old(~a19~0)|))) (or .cse1 (not (<= 4 |old(~a10~0)|))) (or (not (= 8 |old(~a19~0)|)) .cse1 (= 1 |old(~a10~0)|)) (or (not (< 0 (+ |old(~a1~0)| 13))) (and (and .cse2 .cse3) .cse4)) (or (not (<= |old(~a10~0)| 0)) .cse0)))) [2019-11-06 19:05:53,895 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:05:53,895 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:05:53,895 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:05:53,895 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,895 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:05:53,896 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,897 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:05:53,898 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,899 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:05:53,900 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:05:53,901 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-11-06 19:05:53,901 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:05:53,901 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:05:53,902 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 23)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:05:53,902 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:05:53,902 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (<= 4 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (not (= 1 ~a10~0)) (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (< 0 (+ ~a1~0 13)) (not (<= |old(~a1~0)| 23)) (<= ~a10~0 0) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:05:53,902 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:05:53,902 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:05:53,902 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 4 ~a10~0) (not (<= 23 |old(~a1~0)|)) (and (not (= 1 ~a10~0)) (= ~a19~0 8)) (not (<= |old(~a19~0)| 9)) (< 0 (+ ~a1~0 13)) (not (<= |old(~a1~0)| 23)) (<= ~a10~0 0) (<= 9 ~a19~0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:05:53,902 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:05:53,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:05:53 BoogieIcfgContainer [2019-11-06 19:05:53,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:05:53,929 INFO L168 Benchmark]: Toolchain (without parser) took 24979.61 ms. Allocated memory was 138.4 MB in the beginning and 667.9 MB in the end (delta: 529.5 MB). Free memory was 100.8 MB in the beginning and 558.9 MB in the end (delta: -458.1 MB). Peak memory consumption was 475.1 MB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,930 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.58 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.3 MB in the beginning and 166.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,932 INFO L168 Benchmark]: Boogie Preprocessor took 122.49 ms. Allocated memory is still 203.9 MB. Free memory was 166.2 MB in the beginning and 161.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,936 INFO L168 Benchmark]: RCFGBuilder took 1351.08 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 161.4 MB in the beginning and 177.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,937 INFO L168 Benchmark]: TraceAbstraction took 22792.84 ms. Allocated memory was 237.0 MB in the beginning and 667.9 MB in the end (delta: 431.0 MB). Free memory was 177.3 MB in the beginning and 558.9 MB in the end (delta: -381.6 MB). Peak memory consumption was 453.1 MB. Max. memory is 7.1 GB. [2019-11-06 19:05:53,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.58 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.3 MB in the beginning and 166.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.49 ms. Allocated memory is still 203.9 MB. Free memory was 166.2 MB in the beginning and 161.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.08 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 161.4 MB in the beginning and 177.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22792.84 ms. Allocated memory was 237.0 MB in the beginning and 667.9 MB in the end (delta: 431.0 MB). Free memory was 177.3 MB in the beginning and 558.9 MB in the end (delta: -381.6 MB). Peak memory consumption was 453.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((4 <= a10 || !(23 <= \old(a1))) || (!(1 == a10) && a19 == 8)) || !(\old(a19) <= 9)) || 0 < a1 + 13) || !(\old(a1) <= 23)) || a10 <= 0) || 9 <= a19) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 22.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 426 SDtfs, 3988 SDslu, 366 SDs, 0 SdLazy, 8542 SolverSat, 1953 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1612 GetRequests, 1523 SyntacticMatches, 6 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3270occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 1267 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 175 PreInvPairs, 305 NumberOfFragments, 247 HoareAnnotationTreeSize, 175 FomulaSimplifications, 60648 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3213 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 3411 NumberOfCodeBlocks, 3411 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3398 ConstructedInterpolants, 0 QuantifiedInterpolants, 2415044 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2395 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 2876/2892 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...