/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:47:29,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:47:29,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:47:29,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:47:29,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:47:29,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:47:29,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:47:29,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:47:29,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:47:29,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:47:29,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:47:29,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:47:29,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:47:29,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:47:29,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:47:29,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:47:29,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:47:29,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:47:29,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:47:29,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:47:29,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:47:29,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:47:29,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:47:29,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:47:29,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:47:29,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:47:29,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:47:29,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:47:29,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:47:29,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:47:29,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:47:29,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:47:29,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:47:29,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:47:29,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:47:29,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:47:29,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:47:29,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:47:29,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:47:29,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:47:29,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:47:29,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 18:47:29,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:47:29,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:47:29,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:47:29,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:47:29,172 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:47:29,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:47:29,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:47:29,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:47:29,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:47:29,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:47:29,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:47:29,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:47:29,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:47:29,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:47:29,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:47:29,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:47:29,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:47:29,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:47:29,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:47:29,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:47:29,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:47:29,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:47:29,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:47:29,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:47:29,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:47:29,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:47:29,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:47:29,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:47:29,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:47:29,524 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:47:29,525 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-12 18:47:29,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3cd4fa6f/ce02964367674323961ac6b8333a49b1/FLAGc792dfe78 [2020-10-12 18:47:30,122 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:47:30,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-12 18:47:30,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3cd4fa6f/ce02964367674323961ac6b8333a49b1/FLAGc792dfe78 [2020-10-12 18:47:30,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f3cd4fa6f/ce02964367674323961ac6b8333a49b1 [2020-10-12 18:47:30,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:47:30,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:47:30,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:47:30,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:47:30,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:47:30,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:30,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb51d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30, skipping insertion in model container [2020-10-12 18:47:30,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:30,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:47:30,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:47:30,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:47:30,758 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:47:30,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:47:30,955 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:47:30,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30 WrapperNode [2020-10-12 18:47:30,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:47:30,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:47:30,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:47:30,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:47:30,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:30,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:30,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:30,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:31,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:31,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:31,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... [2020-10-12 18:47:31,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:47:31,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:47:31,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:47:31,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:47:31,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-12 18:47:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:47:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:47:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 18:47:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-12 18:47:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-12 18:47:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-12 18:47:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 18:47:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-12 18:47:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:47:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 18:47:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:47:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-12 18:47:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-12 18:47:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:47:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:47:31,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:47:31,919 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 18:47:31,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:47:31 BoogieIcfgContainer [2020-10-12 18:47:31,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:47:31,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:47:31,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:47:31,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:47:31,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:47:30" (1/3) ... [2020-10-12 18:47:31,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d66e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:47:31, skipping insertion in model container [2020-10-12 18:47:31,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:47:30" (2/3) ... [2020-10-12 18:47:31,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d66e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:47:31, skipping insertion in model container [2020-10-12 18:47:31,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:47:31" (3/3) ... [2020-10-12 18:47:31,934 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-12 18:47:31,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:47:31,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:47:31,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:47:31,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:47:31,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:47:31,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:47:31,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:47:31,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:47:31,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:47:31,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:47:31,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:47:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-10-12 18:47:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 18:47:32,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:47:32,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:47:32,029 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:47:32,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:47:32,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1837959040, now seen corresponding path program 1 times [2020-10-12 18:47:32,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:47:32,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990566743] [2020-10-12 18:47:32,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:47:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:32,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:32,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:32,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 18:47:32,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-12 18:47:32,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 18:47:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:47:33,280 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:47:33,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:47:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:47:33,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:47:33,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:47:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:47:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:47:33,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 18:47:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:47:33,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:47:33,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:47:33,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 18:47:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:47:33,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 18:47:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:47:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 18:47:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:47:33,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:47:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:47:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 18:47:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:47:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:33,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 18:47:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:47:33,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 18:47:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:47:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 18:47:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:33,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:47:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 18:47:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:33,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:33,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:47:33,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:33,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:47:33,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:47:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:47:33,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990566743] [2020-10-12 18:47:33,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:47:33,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 18:47:33,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941126603] [2020-10-12 18:47:33,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:47:33,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:47:33,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:47:33,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:47:33,782 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 11 states. [2020-10-12 18:47:35,677 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 18:47:36,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:47:36,073 INFO L93 Difference]: Finished difference Result 310 states and 467 transitions. [2020-10-12 18:47:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:47:36,075 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-12 18:47:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:47:36,088 INFO L225 Difference]: With dead ends: 310 [2020-10-12 18:47:36,089 INFO L226 Difference]: Without dead ends: 188 [2020-10-12 18:47:36,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:47:36,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-12 18:47:36,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2020-10-12 18:47:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-12 18:47:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 294 transitions. [2020-10-12 18:47:36,164 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 294 transitions. Word has length 88 [2020-10-12 18:47:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:47:36,164 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 294 transitions. [2020-10-12 18:47:36,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:47:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 294 transitions. [2020-10-12 18:47:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 18:47:36,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:47:36,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:47:36,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:47:36,170 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:47:36,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:47:36,171 INFO L82 PathProgramCache]: Analyzing trace with hash -73083518, now seen corresponding path program 1 times [2020-10-12 18:47:36,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:47:36,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253503662] [2020-10-12 18:47:36,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:47:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:36,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:36,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:36,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 18:47:36,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:36,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-12 18:47:36,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:47:36,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 18:47:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:47:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,210 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:47:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:47:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:47:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:47:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:47:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:47:37,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:47:37,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:47:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 18:47:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:47:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:47:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:47:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:47:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 18:47:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:47:37,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 18:47:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:47:37,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 18:47:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:47:37,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 18:47:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:47:37,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 18:47:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:47:37,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:37,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 18:47:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:47:37,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 18:47:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:47:37,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 18:47:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:37,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:47:37,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:47:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 18:47:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:37,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:37,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:47:37,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:37,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:47:37,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:37,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:47:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:37,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:47:37,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253503662] [2020-10-12 18:47:37,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:47:37,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 18:47:37,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036164913] [2020-10-12 18:47:37,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 18:47:37,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:47:37,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 18:47:37,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:47:37,705 INFO L87 Difference]: Start difference. First operand 188 states and 294 transitions. Second operand 17 states. [2020-10-12 18:47:37,990 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:47:38,193 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:47:38,517 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:47:38,741 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:47:41,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:47:41,663 INFO L93 Difference]: Finished difference Result 317 states and 479 transitions. [2020-10-12 18:47:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 18:47:41,664 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 88 [2020-10-12 18:47:41,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:47:41,669 INFO L225 Difference]: With dead ends: 317 [2020-10-12 18:47:41,669 INFO L226 Difference]: Without dead ends: 202 [2020-10-12 18:47:41,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-12 18:47:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-12 18:47:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 188. [2020-10-12 18:47:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-12 18:47:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 233 transitions. [2020-10-12 18:47:41,701 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 233 transitions. Word has length 88 [2020-10-12 18:47:41,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:47:41,701 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 233 transitions. [2020-10-12 18:47:41,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 18:47:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 233 transitions. [2020-10-12 18:47:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 18:47:41,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:47:41,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:47:41,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:47:41,708 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:47:41,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:47:41,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1715184750, now seen corresponding path program 1 times [2020-10-12 18:47:41,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:47:41,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403784409] [2020-10-12 18:47:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:47:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:42,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:46,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:46,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-12 18:47:46,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:47:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 18:47:46,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:47:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:47:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 18:47:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:47,109 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:47:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:47:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:47:47,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:47:47,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:47:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:47:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:47:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:47:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 18:47:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:47:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 18:47:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:47:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:47:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:47:47,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:47:47,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:47:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:47:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:47:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:47:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:47,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:47:47,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:47,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:47:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:47:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:47:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:47:47,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:47:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:47,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:47:47,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:47,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:47:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:47,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:47,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:47:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 18:47:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:47:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 18:47:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:48,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:48,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:47:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:48,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 18:47:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:48,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:48,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:47:48,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:47:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:47:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:47:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:47:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 18:47:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:47:48,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:47:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:47:48,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:47:48,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:47:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:47:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:47:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:47:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:47:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:47:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:47:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:47:48,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403784409] [2020-10-12 18:47:48,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:47:48,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-12 18:47:48,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987085107] [2020-10-12 18:47:48,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:47:48,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:47:48,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:47:48,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:47:48,478 INFO L87 Difference]: Start difference. First operand 188 states and 233 transitions. Second operand 28 states. [2020-10-12 18:47:49,064 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-10-12 18:47:49,303 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-12 18:47:49,556 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:47:49,809 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:47:50,087 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:47:50,370 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:47:50,667 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:47:50,974 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:47:51,523 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-12 18:47:52,057 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:52,891 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:54,008 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:54,200 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:47:54,344 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:47:55,447 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:55,661 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:47:56,169 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:47:56,713 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:47:57,208 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:58,061 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:47:59,235 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:47:59,492 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:47:59,644 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:47:59,780 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:00,312 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:00,662 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:00,803 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:01,792 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:48:02,074 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:02,224 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:02,371 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:02,516 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:02,658 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:03,077 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:03,454 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:03,602 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:03,750 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:04,174 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:48:04,940 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:48:05,231 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:48:05,510 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:48:05,779 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:48:06,032 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:48:06,276 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:48:06,514 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:48:06,770 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:48:08,461 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:08,639 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:08,809 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:09,138 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:09,295 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:09,606 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:48:09,905 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:10,078 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:10,244 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:10,408 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:10,564 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:48:10,724 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:48:11,847 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:12,018 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:12,189 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:12,356 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:12,510 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:12,692 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:12,848 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:12,998 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:13,299 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:13,473 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:13,653 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:13,821 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:13,981 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:14,137 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:14,455 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:15,113 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:15,286 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:15,454 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:15,660 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:15,845 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:16,137 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:16,564 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:16,734 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:16,896 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:17,047 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:18,065 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:18,228 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:18,389 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:18,545 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:18,754 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:18,923 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:19,067 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:19,486 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:19,653 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:19,814 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:19,976 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:20,133 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:20,329 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:20,916 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:21,090 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:21,256 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:21,419 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:21,593 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:21,821 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:21,971 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:22,406 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:22,574 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:22,734 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:22,897 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:23,111 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:23,681 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:23,856 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:24,027 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:24,190 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:24,346 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:24,501 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:24,655 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:24,805 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:25,103 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:25,299 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:25,472 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:25,703 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:26,238 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:26,412 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:26,574 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:26,738 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:26,894 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:27,046 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:27,199 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:27,347 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:27,642 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:27,816 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:28,402 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:28,598 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:28,762 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:28,923 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:29,075 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:29,224 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:29,378 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:29,526 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:48:29,815 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:30,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:48:30,668 INFO L93 Difference]: Finished difference Result 2135 states and 3024 transitions. [2020-10-12 18:48:30,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2020-10-12 18:48:30,668 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 148 [2020-10-12 18:48:30,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:48:30,687 INFO L225 Difference]: With dead ends: 2135 [2020-10-12 18:48:30,687 INFO L226 Difference]: Without dead ends: 2026 [2020-10-12 18:48:30,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 28 SyntacticMatches, 7 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21203 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=7408, Invalid=45722, Unknown=0, NotChecked=0, Total=53130 [2020-10-12 18:48:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2020-10-12 18:48:30,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1994. [2020-10-12 18:48:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-10-12 18:48:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2835 transitions. [2020-10-12 18:48:30,895 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2835 transitions. Word has length 148 [2020-10-12 18:48:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:48:30,896 INFO L479 AbstractCegarLoop]: Abstraction has 1994 states and 2835 transitions. [2020-10-12 18:48:30,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:48:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2835 transitions. [2020-10-12 18:48:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:48:30,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:48:30,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:48:30,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:48:30,903 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:48:30,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:48:30,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1152204650, now seen corresponding path program 1 times [2020-10-12 18:48:30,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:48:30,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872399412] [2020-10-12 18:48:30,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:48:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:31,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:31,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:31,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:35,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:35,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:48:35,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:48:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 18:48:35,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 18:48:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:48:35,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 18:48:35,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,280 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:48:36,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:48:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:48:36,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:48:36,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:48:36,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:48:36,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:48:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:48:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:48:36,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-12 18:48:36,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:48:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:48:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 18:48:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:48:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:48:36,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:48:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:48:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:36,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 18:48:36,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:36,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:48:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:48:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:48:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:36,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:36,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:36,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 18:48:36,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:48:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:48:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:48:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:48:37,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:48:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:37,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 18:48:37,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:48:37,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 18:48:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:37,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:48:37,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:37,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:37,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 18:48:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:37,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:48:37,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:37,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 18:48:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:48:37,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:48:37,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:48:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:48:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:48:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:37,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 18:48:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:48:37,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:48:37,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:48:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 18:48:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:48:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:48:37,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:48:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:48:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:48:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:48:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:48:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:48:37,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872399412] [2020-10-12 18:48:37,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:48:37,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-12 18:48:37,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153227378] [2020-10-12 18:48:37,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:48:37,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:48:37,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:48:37,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:48:37,581 INFO L87 Difference]: Start difference. First operand 1994 states and 2835 transitions. Second operand 28 states. [2020-10-12 18:48:38,194 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-10-12 18:48:38,470 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:48:38,728 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:48:39,018 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:48:39,295 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:48:39,577 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:48:39,876 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 18:48:40,177 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 18:48:40,746 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-10-12 18:48:41,341 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2020-10-12 18:48:41,556 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:48:41,740 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:41,874 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:42,570 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2020-10-12 18:48:42,809 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:48:43,015 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:43,295 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:44,274 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2020-10-12 18:48:44,527 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 18:48:44,781 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:44,925 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:45,064 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:45,219 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:45,499 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:46,579 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2020-10-12 18:48:46,866 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 18:48:47,193 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 18:48:47,349 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:48:47,497 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:47,637 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:47,802 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:48,095 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:48:48,245 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:48:48,545 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:48,698 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:48:49,560 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2020-10-12 18:48:49,843 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-12 18:48:50,283 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:48:50,437 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:50,597 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:50,755 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:51,055 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:48:51,369 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:51,519 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:51,974 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:52,129 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:52,278 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:48:53,135 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2020-10-12 18:48:53,449 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-12 18:48:53,901 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 18:48:54,073 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:48:54,245 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:54,400 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:54,550 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:54,877 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 18:48:55,209 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:55,371 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:48:55,531 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:56,006 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:48:56,169 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:56,324 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:48:56,480 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:48:56,638 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:48:57,446 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2020-10-12 18:48:57,809 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-12 18:48:58,371 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 18:48:58,560 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 18:48:58,746 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:48:58,920 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:48:59,092 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:48:59,263 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:48:59,409 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:48:59,626 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 18:49:00,038 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:00,217 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:00,396 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:49:00,568 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:00,731 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:01,136 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:01,316 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:01,496 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:49:01,670 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:01,833 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:02,005 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:49:02,876 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 18:49:05,563 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 18:49:05,797 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 18:49:05,980 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:06,153 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:06,318 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:06,472 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:49:06,619 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:49:07,459 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:07,652 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:07,846 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:49:08,030 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:08,206 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:08,386 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:49:08,862 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 18:49:09,066 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:09,255 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 18:49:09,435 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:09,607 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 18:49:09,797 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:49:09,952 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:10,972 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:11,192 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:49:11,408 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:11,622 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:49:11,822 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:49:12,015 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:12,342 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:12,525 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 18:49:12,703 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 18:49:12,887 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:13,064 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:49:13,229 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:13,711 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:13,954 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:14,301 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:14,522 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:14,735 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:14,938 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:49:15,131 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:15,455 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 18:49:15,682 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:15,881 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 18:49:16,079 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:16,270 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 18:49:16,706 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:49:16,942 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:17,253 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:17,480 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:49:17,700 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:17,912 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:49:18,254 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 18:49:18,480 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:18,721 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 18:49:18,914 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:19,304 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:49:19,534 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:49:19,839 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 18:49:20,061 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:49:20,281 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:20,592 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:20,805 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 18:49:21,002 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 18:49:21,335 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:21,542 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:21,813 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:22,025 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:22,296 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:22,493 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 18:49:22,805 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:23,016 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:23,324 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:23,591 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 18:49:23,867 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:49:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:49:24,396 INFO L93 Difference]: Finished difference Result 5030 states and 7259 transitions. [2020-10-12 18:49:24,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2020-10-12 18:49:24,398 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 150 [2020-10-12 18:49:24,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:49:24,417 INFO L225 Difference]: With dead ends: 5030 [2020-10-12 18:49:24,417 INFO L226 Difference]: Without dead ends: 3115 [2020-10-12 18:49:24,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 26 SyntacticMatches, 8 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20468 ImplicationChecksByTransitivity, 33.8s TimeCoverageRelationStatistics Valid=7429, Invalid=43873, Unknown=0, NotChecked=0, Total=51302 [2020-10-12 18:49:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2020-10-12 18:49:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2764. [2020-10-12 18:49:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2764 states. [2020-10-12 18:49:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3981 transitions. [2020-10-12 18:49:24,682 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3981 transitions. Word has length 150 [2020-10-12 18:49:24,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:49:24,683 INFO L479 AbstractCegarLoop]: Abstraction has 2764 states and 3981 transitions. [2020-10-12 18:49:24,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:49:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3981 transitions. [2020-10-12 18:49:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:49:24,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:49:24,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:49:24,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:49:24,691 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:49:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:49:24,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1855060190, now seen corresponding path program 1 times [2020-10-12 18:49:24,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:49:24,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808809206] [2020-10-12 18:49:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:49:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:25,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:29,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:29,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 18:49:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 18:49:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,029 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:49:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:49:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:49:30,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 18:49:30,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:49:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:49:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:49:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:49:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:49:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 18:49:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:49:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:49:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:49:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:49:30,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:49:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:49:30,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:49:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:49:30,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:49:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:49:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:49:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:49:30,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:49:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:49:30,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 18:49:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:49:30,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:49:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 18:49:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:49:30,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 18:49:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:30,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:49:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 18:49:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:30,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:30,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 18:49:30,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:49:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:49:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 18:49:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:49:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:49:30,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808809206] [2020-10-12 18:49:30,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:49:30,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 18:49:30,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167124339] [2020-10-12 18:49:30,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 18:49:30,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:49:30,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 18:49:30,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:49:30,519 INFO L87 Difference]: Start difference. First operand 2764 states and 3981 transitions. Second operand 15 states. [2020-10-12 18:49:30,775 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:49:31,540 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:31,783 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:32,505 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:33,272 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-12 18:49:36,029 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:36,171 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:49:36,395 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:49:36,557 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:49:36,702 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:49:37,097 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:37,238 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:37,393 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:49:38,203 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:38,414 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:38,661 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:38,912 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:39,158 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:39,410 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:39,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:49:39,601 INFO L93 Difference]: Finished difference Result 12878 states and 18857 transitions. [2020-10-12 18:49:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 18:49:39,610 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-10-12 18:49:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:49:39,664 INFO L225 Difference]: With dead ends: 12878 [2020-10-12 18:49:39,664 INFO L226 Difference]: Without dead ends: 10193 [2020-10-12 18:49:39,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=578, Invalid=2178, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 18:49:39,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10193 states. [2020-10-12 18:49:40,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10187. [2020-10-12 18:49:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10187 states. [2020-10-12 18:49:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10187 states to 10187 states and 14666 transitions. [2020-10-12 18:49:40,485 INFO L78 Accepts]: Start accepts. Automaton has 10187 states and 14666 transitions. Word has length 150 [2020-10-12 18:49:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:49:40,486 INFO L479 AbstractCegarLoop]: Abstraction has 10187 states and 14666 transitions. [2020-10-12 18:49:40,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 18:49:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 10187 states and 14666 transitions. [2020-10-12 18:49:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:49:40,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:49:40,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:49:40,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:49:40,491 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:49:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:49:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash -916792378, now seen corresponding path program 1 times [2020-10-12 18:49:40,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:49:40,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791998026] [2020-10-12 18:49:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:49:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:43,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:45,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:45,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:49:45,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:49:45,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:49:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 18:49:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:49:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-12 18:49:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:45,910 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:49:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:49:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:45,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:49:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:49:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:49:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:49:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:49:45,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:49:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:45,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:49:46,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 18:49:46,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:49:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:49:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:49:46,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:49:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:49:46,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:49:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:49:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:49:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:49:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 18:49:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:49:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:49:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:49:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:49:46,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:49:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:49:46,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:49:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 18:49:46,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 18:49:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:49:46,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:49:46,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 18:49:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:49:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 18:49:46,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:49:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:49:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 18:49:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:49:46,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 18:49:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 18:49:46,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:49:46,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:49:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:49:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 18:49:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 18:49:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:49:46,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:49:46,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:49:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:49:46,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:49:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:49:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:49:47,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791998026] [2020-10-12 18:49:47,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:49:47,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-12 18:49:47,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610826956] [2020-10-12 18:49:47,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:49:47,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:49:47,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:49:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:49:47,080 INFO L87 Difference]: Start difference. First operand 10187 states and 14666 transitions. Second operand 28 states. [2020-10-12 18:49:47,660 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-12 18:49:47,914 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-12 18:49:48,163 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:49:48,416 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:49:48,680 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:49:48,948 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:49:49,225 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:49:49,578 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:49:50,099 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-12 18:49:50,635 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 18:49:50,855 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-12 18:49:51,043 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:51,179 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:51,771 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 18:49:52,013 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:49:52,201 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:53,243 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 18:49:53,494 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:49:53,710 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:53,847 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:54,133 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:54,433 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:54,578 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:55,250 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 18:49:55,519 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 18:49:55,763 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:49:55,913 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:49:56,057 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:56,196 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:56,351 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:56,668 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:56,812 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:56,952 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:57,575 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2020-10-12 18:49:57,858 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:49:58,144 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:49:58,325 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:49:58,496 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:49:58,662 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:49:58,826 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:49:58,981 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:49:59,338 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:49:59,490 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:49:59,638 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:49:59,783 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:49:59,929 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:50:00,525 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:50:01,044 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2020-10-12 18:50:01,335 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:01,488 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:01,635 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:01,778 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:01,917 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:02,050 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:50:02,537 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2020-10-12 18:50:02,953 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:03,109 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:03,264 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:04,662 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 18:50:04,936 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:50:05,210 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:50:05,468 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:50:05,716 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:50:06,032 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:50:08,549 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:08,789 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:09,070 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:09,365 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:50:09,641 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:50:09,941 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:10,415 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:10,644 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:50:10,889 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:50:11,112 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:50:11,342 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:50:11,598 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:11,816 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-12 18:50:12,711 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:12,881 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:13,043 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:13,202 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:13,356 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:13,502 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:13,789 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:14,027 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:14,218 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:14,411 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:14,597 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:14,828 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:15,529 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:15,697 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:15,856 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:16,015 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:16,168 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:16,315 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:16,612 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:16,774 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:16,968 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:17,159 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:17,443 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:18,132 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:18,301 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:18,479 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:18,635 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:18,788 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:18,934 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:19,263 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:19,428 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:19,633 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:20,038 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:20,679 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:20,854 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:21,016 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:21,175 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:21,328 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:21,477 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:21,846 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:22,009 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:22,774 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 18:50:22,957 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-12 18:50:23,134 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 18:50:23,308 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 18:50:23,485 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:23,664 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:24,110 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 18:50:24,946 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 18:50:25,130 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:25,312 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 18:50:25,486 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:25,657 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:25,824 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:26,441 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:26,618 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:50:26,858 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:50:27,015 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 18:50:27,168 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:50:27,315 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 18:50:27,484 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:28,037 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:28,210 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:28,380 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:50:28,545 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:50:28,706 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:28,871 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:50:29,190 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 18:50:29,623 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:30,471 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 18:50:31,208 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:31,452 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 18:50:31,762 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:32,015 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:32,339 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:32,582 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:33,020 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:33,263 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:33,584 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:33,828 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:34,139 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:50:34,374 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 18:50:34,553 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:34,884 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 18:50:35,095 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:50:35,328 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:50:38,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:50:38,132 INFO L93 Difference]: Finished difference Result 20687 states and 30771 transitions. [2020-10-12 18:50:38,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2020-10-12 18:50:38,134 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 150 [2020-10-12 18:50:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:50:38,197 INFO L225 Difference]: With dead ends: 20687 [2020-10-12 18:50:38,198 INFO L226 Difference]: Without dead ends: 11055 [2020-10-12 18:50:38,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19768 ImplicationChecksByTransitivity, 32.8s TimeCoverageRelationStatistics Valid=7843, Invalid=43459, Unknown=0, NotChecked=0, Total=51302 [2020-10-12 18:50:38,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11055 states. [2020-10-12 18:50:39,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11055 to 9915. [2020-10-12 18:50:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9915 states. [2020-10-12 18:50:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9915 states to 9915 states and 14238 transitions. [2020-10-12 18:50:39,130 INFO L78 Accepts]: Start accepts. Automaton has 9915 states and 14238 transitions. Word has length 150 [2020-10-12 18:50:39,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:50:39,130 INFO L479 AbstractCegarLoop]: Abstraction has 9915 states and 14238 transitions. [2020-10-12 18:50:39,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:50:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 9915 states and 14238 transitions. [2020-10-12 18:50:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:50:39,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:50:39,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:50:39,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:50:39,135 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:50:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:50:39,136 INFO L82 PathProgramCache]: Analyzing trace with hash -715201264, now seen corresponding path program 1 times [2020-10-12 18:50:39,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:50:39,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950851147] [2020-10-12 18:50:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:50:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:39,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:39,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:40,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:50:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-12 18:50:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,521 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:50:44,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:50:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:50:44,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:50:44,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:50:44,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:50:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:50:44,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 18:50:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:50:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 18:50:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:50:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:50:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:50:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:50:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:50:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:50:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:50:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:50:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:50:44,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:50:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:50:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:50:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:50:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:50:44,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:50:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:50:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:50:44,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 18:50:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:50:44,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:50:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 18:50:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:50:44,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:50:44,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 18:50:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:50:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:50:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:50:44,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:44,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 18:50:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:44,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:50:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:50:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:50:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:50:45,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950851147] [2020-10-12 18:50:45,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:50:45,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 18:50:45,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682440140] [2020-10-12 18:50:45,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 18:50:45,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:50:45,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 18:50:45,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:50:45,008 INFO L87 Difference]: Start difference. First operand 9915 states and 14238 transitions. Second operand 18 states. [2020-10-12 18:50:45,519 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-12 18:50:45,794 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:50:46,860 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-12 18:50:47,125 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-12 18:50:47,488 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:47,841 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:48,206 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:48,577 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:49,175 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-12 18:50:49,477 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:50:49,791 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:50,089 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-12 18:50:50,616 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-10-12 18:50:50,929 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:51,243 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:51,567 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:51,881 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:52,222 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-12 18:50:52,492 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-10-12 18:50:52,771 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-12 18:50:53,216 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:53,652 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 18:50:54,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:50:54,399 INFO L93 Difference]: Finished difference Result 22638 states and 32291 transitions. [2020-10-12 18:50:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 18:50:54,400 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-12 18:50:54,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:50:54,449 INFO L225 Difference]: With dead ends: 22638 [2020-10-12 18:50:54,449 INFO L226 Difference]: Without dead ends: 12802 [2020-10-12 18:50:54,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=503, Invalid=1389, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 18:50:54,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12802 states. [2020-10-12 18:50:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12802 to 10282. [2020-10-12 18:50:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10282 states. [2020-10-12 18:50:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10282 states to 10282 states and 14746 transitions. [2020-10-12 18:50:55,254 INFO L78 Accepts]: Start accepts. Automaton has 10282 states and 14746 transitions. Word has length 150 [2020-10-12 18:50:55,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:50:55,255 INFO L479 AbstractCegarLoop]: Abstraction has 10282 states and 14746 transitions. [2020-10-12 18:50:55,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 18:50:55,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10282 states and 14746 transitions. [2020-10-12 18:50:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 18:50:55,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:50:55,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:50:55,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:50:55,260 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:50:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:50:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1669684856, now seen corresponding path program 1 times [2020-10-12 18:50:55,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:50:55,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069552067] [2020-10-12 18:50:55,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:50:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:50:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:55,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:55,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:50:56,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:51:00,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-12 18:51:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,560 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 18:51:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:51:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:51:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:51:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:51:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 18:51:00,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 18:51:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:51:00,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:51:00,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:51:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 18:51:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:51:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 18:51:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:51:00,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:51:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 18:51:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:51:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:51:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 18:51:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:51:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:51:00,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 18:51:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 18:51:00,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:51:00,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:51:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 18:51:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:51:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 18:51:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:51:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:51:00,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 18:51:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:51:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 18:51:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 18:51:00,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:51:00,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:51:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 18:51:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:51:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:00,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 18:51:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:51:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:51:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:51:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 18:51:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:51:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:51:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:51:01,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069552067] [2020-10-12 18:51:01,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:51:01,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 18:51:01,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944268944] [2020-10-12 18:51:01,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 18:51:01,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:51:01,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 18:51:01,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:51:01,007 INFO L87 Difference]: Start difference. First operand 10282 states and 14746 transitions. Second operand 18 states. [2020-10-12 18:51:01,285 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:51:01,556 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-12 18:51:02,281 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:51:02,432 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 18:51:02,684 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:02,925 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:03,202 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:03,580 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 18:51:03,756 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 18:51:03,957 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:04,193 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:04,382 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 18:51:04,866 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 18:51:05,111 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:51:05,326 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:51:05,550 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 18:51:05,778 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 18:51:05,940 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 18:51:06,099 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123