/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 SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:07,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:07,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:07,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:07,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:07,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:07,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:07,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:07,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:07,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:07,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:07,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:07,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:07,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:07,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:07,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:07,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:07,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:07,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:07,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:07,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:07,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:07,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:07,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:07,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:07,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:07,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:07,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:07,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:07,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:07,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:07,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:07,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:07,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:07,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:07,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:07,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:07,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:07,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:07,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:07,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:07,809 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 [2020-09-24 15:54:07,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:07,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:07,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:07,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:07,864 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:07,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:07,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:07,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:07,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:07,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:07,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:07,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:07,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:07,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:07,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:07,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:07,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:07,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:07,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:07,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:07,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:07,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:07,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:07,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:07,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:07,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:07,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:07,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:07,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:07,870 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 -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:54:08,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:08,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:08,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:08,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:08,398 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:08,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-24 15:54:08,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44db7613f/deafb543c2c741568e369e9225483530/FLAGabb5b4e39 [2020-09-24 15:54:09,072 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:09,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-24 15:54:09,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44db7613f/deafb543c2c741568e369e9225483530/FLAGabb5b4e39 [2020-09-24 15:54:09,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44db7613f/deafb543c2c741568e369e9225483530 [2020-09-24 15:54:09,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:09,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:09,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:09,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:09,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:09,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:09" (1/1) ... [2020-09-24 15:54:09,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:09, skipping insertion in model container [2020-09-24 15:54:09,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:09" (1/1) ... [2020-09-24 15:54:09,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:09,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:09,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:09,872 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:10,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:10,216 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:10,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10 WrapperNode [2020-09-24 15:54:10,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:10,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:10,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:10,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:10,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (1/1) ... [2020-09-24 15:54:10,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:10,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:10,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:10,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:10,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (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 [2020-09-24 15:54:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:54:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:54:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:11,596 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:11,596 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:11,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:11 BoogieIcfgContainer [2020-09-24 15:54:11,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:11,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:11,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:11,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:11,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:09" (1/3) ... [2020-09-24 15:54:11,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0b2594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:11, skipping insertion in model container [2020-09-24 15:54:11,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:10" (2/3) ... [2020-09-24 15:54:11,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0b2594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:11, skipping insertion in model container [2020-09-24 15:54:11,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:11" (3/3) ... [2020-09-24 15:54:11,617 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-09-24 15:54:11,629 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:11,642 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:11,666 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:11,700 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:11,700 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:11,700 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:11,700 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:11,701 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:11,701 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:11,701 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:11,701 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2020-09-24 15:54:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:11,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:11,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:11,754 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:11,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:11,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1837457757, now seen corresponding path program 1 times [2020-09-24 15:54:11,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:11,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766112293] [2020-09-24 15:54:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:12,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:54:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,672 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:12,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:12,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:12,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:12,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:12,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:12,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:12,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:12,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:12,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:12,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:12,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:12,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:12,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:12,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:12,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766112293] [2020-09-24 15:54:12,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:12,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:12,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719343842] [2020-09-24 15:54:12,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:12,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:12,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:12,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:12,959 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 4 states. [2020-09-24 15:54:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:14,399 INFO L93 Difference]: Finished difference Result 574 states and 675 transitions. [2020-09-24 15:54:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:14,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:14,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:14,427 INFO L225 Difference]: With dead ends: 574 [2020-09-24 15:54:14,427 INFO L226 Difference]: Without dead ends: 354 [2020-09-24 15:54:14,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-24 15:54:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 305. [2020-09-24 15:54:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-24 15:54:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 335 transitions. [2020-09-24 15:54:14,591 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 335 transitions. Word has length 160 [2020-09-24 15:54:14,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:14,595 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 335 transitions. [2020-09-24 15:54:14,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 335 transitions. [2020-09-24 15:54:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:14,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:14,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:14,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:14,613 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:14,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:14,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1789816380, now seen corresponding path program 1 times [2020-09-24 15:54:14,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:14,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961131824] [2020-09-24 15:54:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:14,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:14,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:14,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:14,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:14,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:14,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:14,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,139 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:15,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:15,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:15,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:15,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:15,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:15,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961131824] [2020-09-24 15:54:15,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:15,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:15,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712027738] [2020-09-24 15:54:15,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:15,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:15,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:15,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:15,346 INFO L87 Difference]: Start difference. First operand 305 states and 335 transitions. Second operand 5 states. [2020-09-24 15:54:16,105 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:17,480 INFO L93 Difference]: Finished difference Result 497 states and 563 transitions. [2020-09-24 15:54:17,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:17,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:17,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:17,485 INFO L225 Difference]: With dead ends: 497 [2020-09-24 15:54:17,485 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 15:54:17,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 15:54:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 295. [2020-09-24 15:54:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-09-24 15:54:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 322 transitions. [2020-09-24 15:54:17,535 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 322 transitions. Word has length 161 [2020-09-24 15:54:17,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:17,535 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 322 transitions. [2020-09-24 15:54:17,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 322 transitions. [2020-09-24 15:54:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:54:17,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:17,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:17,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:17,539 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:17,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:17,539 INFO L82 PathProgramCache]: Analyzing trace with hash 350266212, now seen corresponding path program 1 times [2020-09-24 15:54:17,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:17,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106812663] [2020-09-24 15:54:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:17,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:17,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:17,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:54:17,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:54:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:54:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:54:17,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:54:17,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:17,952 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:17,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:17,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:17,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:17,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:17,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:17,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:17,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:17,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:17,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:17,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:18,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:54:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:18,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106812663] [2020-09-24 15:54:18,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:18,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:18,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992165804] [2020-09-24 15:54:18,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:18,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:18,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:18,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:18,146 INFO L87 Difference]: Start difference. First operand 295 states and 322 transitions. Second operand 5 states. [2020-09-24 15:54:18,743 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:21,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:21,108 INFO L93 Difference]: Finished difference Result 713 states and 818 transitions. [2020-09-24 15:54:21,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:21,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-24 15:54:21,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:21,115 INFO L225 Difference]: With dead ends: 713 [2020-09-24 15:54:21,115 INFO L226 Difference]: Without dead ends: 533 [2020-09-24 15:54:21,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:21,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-09-24 15:54:21,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 469. [2020-09-24 15:54:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-09-24 15:54:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 524 transitions. [2020-09-24 15:54:21,196 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 524 transitions. Word has length 170 [2020-09-24 15:54:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:21,196 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 524 transitions. [2020-09-24 15:54:21,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 524 transitions. [2020-09-24 15:54:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:54:21,200 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:21,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:21,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:21,201 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:21,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:21,201 INFO L82 PathProgramCache]: Analyzing trace with hash 163203770, now seen corresponding path program 1 times [2020-09-24 15:54:21,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:21,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910504454] [2020-09-24 15:54:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:54:21,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:54:21,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:54:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:54:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:54:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,743 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:21,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:54:21,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:21,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:21,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:21,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:21,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:54:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:21,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:54:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:21,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:21,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:54:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:21,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:54:22,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910504454] [2020-09-24 15:54:22,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:22,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:22,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568597190] [2020-09-24 15:54:22,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:22,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:22,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:22,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:22,067 INFO L87 Difference]: Start difference. First operand 469 states and 524 transitions. Second operand 10 states. [2020-09-24 15:54:22,708 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:23,601 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:23,913 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:25,193 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:25,506 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:25,889 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:26,440 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:26,755 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:27,066 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:28,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:28,015 INFO L93 Difference]: Finished difference Result 1102 states and 1317 transitions. [2020-09-24 15:54:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:54:28,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:54:28,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:28,022 INFO L225 Difference]: With dead ends: 1102 [2020-09-24 15:54:28,022 INFO L226 Difference]: Without dead ends: 748 [2020-09-24 15:54:28,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-09-24 15:54:28,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 665. [2020-09-24 15:54:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-09-24 15:54:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 752 transitions. [2020-09-24 15:54:28,123 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 752 transitions. Word has length 179 [2020-09-24 15:54:28,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:28,124 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 752 transitions. [2020-09-24 15:54:28,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 752 transitions. [2020-09-24 15:54:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 15:54:28,127 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:28,128 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:28,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:28,128 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:28,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:28,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1477920914, now seen corresponding path program 1 times [2020-09-24 15:54:28,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:28,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005125776] [2020-09-24 15:54:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-24 15:54:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,453 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:28,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:28,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:28,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:28,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:28,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:28,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:28,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:28,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:28,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:28,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:28,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:28,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:28,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:54:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:54:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:28,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005125776] [2020-09-24 15:54:28,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:28,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:28,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760820335] [2020-09-24 15:54:28,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:28,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:28,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:28,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:28,742 INFO L87 Difference]: Start difference. First operand 665 states and 752 transitions. Second operand 10 states. [2020-09-24 15:54:30,308 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:30,621 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:30,983 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:54:31,293 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:31,615 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:31,903 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:33,087 INFO L93 Difference]: Finished difference Result 1327 states and 1563 transitions. [2020-09-24 15:54:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:54:33,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-09-24 15:54:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:33,094 INFO L225 Difference]: With dead ends: 1327 [2020-09-24 15:54:33,094 INFO L226 Difference]: Without dead ends: 777 [2020-09-24 15:54:33,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:54:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-24 15:54:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 684. [2020-09-24 15:54:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-09-24 15:54:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 772 transitions. [2020-09-24 15:54:33,193 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 772 transitions. Word has length 213 [2020-09-24 15:54:33,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:33,193 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 772 transitions. [2020-09-24 15:54:33,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 772 transitions. [2020-09-24 15:54:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 15:54:33,198 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:33,199 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:33,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:33,199 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:33,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:33,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1415592178, now seen corresponding path program 1 times [2020-09-24 15:54:33,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:33,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598472039] [2020-09-24 15:54:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -92 [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 92 [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:33,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-24 15:54:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,558 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:33,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:33,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:33,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:33,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:33,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:33,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:33,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:33,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:33,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:33,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:33,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:54:33,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:33,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:54:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:54:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:33,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:33,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:33,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:33,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:33,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:33,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:33,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:33,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:33,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:33,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598472039] [2020-09-24 15:54:33,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:33,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:54:33,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291508782] [2020-09-24 15:54:33,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:54:33,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:33,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:54:33,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:54:33,855 INFO L87 Difference]: Start difference. First operand 684 states and 772 transitions. Second operand 9 states. [2020-09-24 15:54:35,263 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:35,533 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:35,830 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:36,149 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:36,457 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:37,632 INFO L93 Difference]: Finished difference Result 1368 states and 1628 transitions. [2020-09-24 15:54:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:54:37,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-24 15:54:37,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:37,637 INFO L225 Difference]: With dead ends: 1368 [2020-09-24 15:54:37,637 INFO L226 Difference]: Without dead ends: 799 [2020-09-24 15:54:37,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:37,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2020-09-24 15:54:37,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 696. [2020-09-24 15:54:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-09-24 15:54:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 784 transitions. [2020-09-24 15:54:37,726 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 784 transitions. Word has length 213 [2020-09-24 15:54:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:37,727 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 784 transitions. [2020-09-24 15:54:37,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:54:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 784 transitions. [2020-09-24 15:54:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 15:54:37,733 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:37,733 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:37,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:37,734 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:37,734 INFO L82 PathProgramCache]: Analyzing trace with hash -739469201, now seen corresponding path program 1 times [2020-09-24 15:54:37,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:37,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148290877] [2020-09-24 15:54:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:54:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:54:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,142 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:38,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:38,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:54:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:38,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:38,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:38,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:38,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:38,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:38,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:54:38,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:54:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:38,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:54:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:38,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:38,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:38,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:38,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:38,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:54:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:54:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:38,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:38,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148290877] [2020-09-24 15:54:38,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:38,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:54:38,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162796433] [2020-09-24 15:54:38,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:54:38,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:38,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:54:38,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:38,522 INFO L87 Difference]: Start difference. First operand 696 states and 784 transitions. Second operand 7 states. [2020-09-24 15:54:39,147 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:39,816 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:42,649 INFO L93 Difference]: Finished difference Result 1945 states and 2333 transitions. [2020-09-24 15:54:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:54:42,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-24 15:54:42,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:42,658 INFO L225 Difference]: With dead ends: 1945 [2020-09-24 15:54:42,658 INFO L226 Difference]: Without dead ends: 1364 [2020-09-24 15:54:42,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:54:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-09-24 15:54:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1261. [2020-09-24 15:54:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2020-09-24 15:54:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1445 transitions. [2020-09-24 15:54:42,826 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1445 transitions. Word has length 213 [2020-09-24 15:54:42,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:42,827 INFO L479 AbstractCegarLoop]: Abstraction has 1261 states and 1445 transitions. [2020-09-24 15:54:42,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:54:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1445 transitions. [2020-09-24 15:54:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 15:54:42,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:42,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:42,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:54:42,834 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:42,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1571665167, now seen corresponding path program 1 times [2020-09-24 15:54:42,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:42,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40766239] [2020-09-24 15:54:42,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:43,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -57 [2020-09-24 15:54:43,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 57 [2020-09-24 15:54:43,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:54:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-24 15:54:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:43,405 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:43,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:43,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:43,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:54:43,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:43,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:43,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:43,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:43,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:43,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:43,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:43,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:43,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:43,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:54:43,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:54:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:43,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:54:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:43,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:43,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:43,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:54:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:43,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:43,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:43,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:43,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:43,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:54:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:43,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:54:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:43,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40766239] [2020-09-24 15:54:43,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:43,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:54:43,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073460691] [2020-09-24 15:54:43,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:54:43,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:43,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:54:43,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:54:43,874 INFO L87 Difference]: Start difference. First operand 1261 states and 1445 transitions. Second operand 14 states. [2020-09-24 15:54:44,459 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:45,312 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:46,396 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:46,737 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:47,155 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:47,530 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:47,872 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:48,216 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:48,659 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:48,969 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:51,656 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:51,970 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:52,345 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:52,973 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:54,972 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:54:55,593 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:54:56,298 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:54:57,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:57,360 INFO L93 Difference]: Finished difference Result 3896 states and 4663 transitions. [2020-09-24 15:54:57,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-24 15:54:57,361 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-24 15:54:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:57,376 INFO L225 Difference]: With dead ends: 3896 [2020-09-24 15:54:57,377 INFO L226 Difference]: Without dead ends: 2971 [2020-09-24 15:54:57,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=582, Invalid=2174, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:54:57,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2020-09-24 15:54:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2580. [2020-09-24 15:54:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2580 states. [2020-09-24 15:54:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 2939 transitions. [2020-09-24 15:54:57,726 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 2939 transitions. Word has length 218 [2020-09-24 15:54:57,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:57,726 INFO L479 AbstractCegarLoop]: Abstraction has 2580 states and 2939 transitions. [2020-09-24 15:54:57,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:54:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 2939 transitions. [2020-09-24 15:54:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-24 15:54:57,732 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:57,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:57,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:57,733 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash 842674582, now seen corresponding path program 1 times [2020-09-24 15:54:57,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:57,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930030310] [2020-09-24 15:54:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:57,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:57,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:57,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:57,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:57,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-24 15:54:57,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:57,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:54:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,105 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:58,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:58,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:58,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:58,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:58,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:58,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:54:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:54:58,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:58,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:58,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:58,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:54:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:58,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:58,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:58,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:58,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:54:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:58,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:54:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 15:54:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:54:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-24 15:54:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-09-24 15:54:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:58,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:58,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:58,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:58,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:58,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:58,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:58,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:58,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:54:58,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930030310] [2020-09-24 15:54:58,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:58,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:58,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192665031] [2020-09-24 15:54:58,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:58,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:58,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:58,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:58,513 INFO L87 Difference]: Start difference. First operand 2580 states and 2939 transitions. Second operand 10 states. [2020-09-24 15:54:59,066 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:59,997 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:02,395 INFO L93 Difference]: Finished difference Result 3081 states and 3540 transitions. [2020-09-24 15:55:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:55:02,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 278 [2020-09-24 15:55:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:02,404 INFO L225 Difference]: With dead ends: 3081 [2020-09-24 15:55:02,404 INFO L226 Difference]: Without dead ends: 1394 [2020-09-24 15:55:02,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:55:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-09-24 15:55:02,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1317. [2020-09-24 15:55:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-09-24 15:55:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1473 transitions. [2020-09-24 15:55:02,572 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1473 transitions. Word has length 278 [2020-09-24 15:55:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:02,573 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1473 transitions. [2020-09-24 15:55:02,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:55:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1473 transitions. [2020-09-24 15:55:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-09-24 15:55:02,579 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:02,579 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:02,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:55:02,580 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:02,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:02,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1149853226, now seen corresponding path program 1 times [2020-09-24 15:55:02,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:02,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070956831] [2020-09-24 15:55:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:02,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:02,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -119 [2020-09-24 15:55:02,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 119 [2020-09-24 15:55:02,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:02,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-09-24 15:55:02,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:55:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,001 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:03,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:03,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:03,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:55:03,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:55:03,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:03,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:55:03,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:55:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:55:03,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:55:03,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:55:03,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:55:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:03,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:03,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:03,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:55:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:03,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:03,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:55:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:55:03,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 15:55:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:03,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:03,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:55:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:03,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-24 15:55:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:55:03,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:55:03,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:55:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:03,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:55:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:55:03,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:55:03,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:55:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:55:03,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:03,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:03,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-24 15:55:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 15:55:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:03,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:03,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:03,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:03,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:03,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:03,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:03,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:03,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:03,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:03,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-24 15:55:03,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070956831] [2020-09-24 15:55:03,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:55:03,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:55:03,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691087625] [2020-09-24 15:55:03,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:55:03,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:03,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:55:03,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:55:03,564 INFO L87 Difference]: Start difference. First operand 1317 states and 1473 transitions. Second operand 14 states.