/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 --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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:57,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:57,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:57,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:57,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:57,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:57,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:57,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:57,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:57,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:57,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:57,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:57,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:57,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:57,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:57,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:57,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:57,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:57,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:57,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:57,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:57,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:57,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:57,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:57,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:57,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:57,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:57,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:57,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:57,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:57,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:57,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:57,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:57,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:57,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:57,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:57,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:57,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:57,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:57,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:57,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:57,133 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 [2020-09-21 11:15:57,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:57,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:57,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:57,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:57,193 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:57,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:57,194 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:57,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:57,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:57,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:57,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:57,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:57,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:57,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:57,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:57,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:57,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:57,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:57,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:57,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:57,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:57,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:57,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:57,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:57,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:57,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:57,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:57,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:57,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:57,201 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.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; [2020-09-21 11:15:57,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:57,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:57,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:57,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:57,701 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:57,702 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-21 11:15:57,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d399ab85/05b0d8ad2ebe43cc9e463d93e0156a76/FLAGb1d3861ab [2020-09-21 11:15:58,393 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:58,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-21 11:15:58,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d399ab85/05b0d8ad2ebe43cc9e463d93e0156a76/FLAGb1d3861ab [2020-09-21 11:15:58,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d399ab85/05b0d8ad2ebe43cc9e463d93e0156a76 [2020-09-21 11:15:58,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:58,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:58,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:58,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:58,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:58,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:58, skipping insertion in model container [2020-09-21 11:15:58,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:58" (1/1) ... [2020-09-21 11:15:58,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:58,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:59,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:59,359 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:59,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:59,478 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:59,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59 WrapperNode [2020-09-21 11:15:59,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:59,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:59,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:59,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:59,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (1/1) ... [2020-09-21 11:15:59,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:59,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:59,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:59,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:59,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (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 [2020-09-21 11:15:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:59,702 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:00,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:00,808 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:00,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:00 BoogieIcfgContainer [2020-09-21 11:16:00,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:00,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:00,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:00,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:00,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:58" (1/3) ... [2020-09-21 11:16:00,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16659871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:00, skipping insertion in model container [2020-09-21 11:16:00,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:59" (2/3) ... [2020-09-21 11:16:00,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16659871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:00, skipping insertion in model container [2020-09-21 11:16:00,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:00" (3/3) ... [2020-09-21 11:16:00,824 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-09-21 11:16:00,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:00,847 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:00,870 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:00,899 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:00,899 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:00,899 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:00,899 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:00,899 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:00,899 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:00,900 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:00,900 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-09-21 11:16:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:00,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:00,942 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:00,943 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:00,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:00,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2020-09-21 11:16:00,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:00,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978409587] [2020-09-21 11:16:00,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:16:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-21 11:16:01,805 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:01,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:01,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:01,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:01,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:01,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:01,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:01,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:01,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 25 [2020-09-21 11:16:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:02,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978409587] [2020-09-21 11:16:02,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:02,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:02,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224761622] [2020-09-21 11:16:02,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:02,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:02,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:02,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:02,033 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-09-21 11:16:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:03,227 INFO L93 Difference]: Finished difference Result 324 states and 416 transitions. [2020-09-21 11:16:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:03,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:03,249 INFO L225 Difference]: With dead ends: 324 [2020-09-21 11:16:03,250 INFO L226 Difference]: Without dead ends: 179 [2020-09-21 11:16:03,256 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 [2020-09-21 11:16:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-09-21 11:16:03,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 146. [2020-09-21 11:16:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-09-21 11:16:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-09-21 11:16:03,378 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2020-09-21 11:16:03,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:03,379 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-09-21 11:16:03,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-09-21 11:16:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:16:03,391 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:03,392 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:03,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:03,392 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:03,393 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2020-09-21 11:16:03,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:03,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880284147] [2020-09-21 11:16:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,858 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:16:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:03,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:03,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:16:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:03,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880284147] [2020-09-21 11:16:03,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:03,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:03,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830481551] [2020-09-21 11:16:03,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:03,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:03,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:03,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:03,984 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 5 states. [2020-09-21 11:16:04,535 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:05,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:05,501 INFO L93 Difference]: Finished difference Result 259 states and 316 transitions. [2020-09-21 11:16:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:05,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:16:05,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:05,513 INFO L225 Difference]: With dead ends: 259 [2020-09-21 11:16:05,513 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:16:05,515 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 [2020-09-21 11:16:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:16:05,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 137. [2020-09-21 11:16:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-09-21 11:16:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-09-21 11:16:05,549 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2020-09-21 11:16:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:05,550 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-09-21 11:16:05,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-09-21 11:16:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:16:05,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:05,551 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:05,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:05,552 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:05,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2020-09-21 11:16:05,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:05,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554744466] [2020-09-21 11:16:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-21 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,275 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:16:06,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:06,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:06,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:06,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:06,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:06,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:06,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:16:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:06,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:06,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554744466] [2020-09-21 11:16:06,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:06,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:06,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258743274] [2020-09-21 11:16:06,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:06,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:06,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:06,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:06,472 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2020-09-21 11:16:06,882 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:08,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:08,696 INFO L93 Difference]: Finished difference Result 395 states and 485 transitions. [2020-09-21 11:16:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:08,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:16:08,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:08,701 INFO L225 Difference]: With dead ends: 395 [2020-09-21 11:16:08,702 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 11:16:08,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 11:16:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 236. [2020-09-21 11:16:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-21 11:16:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 281 transitions. [2020-09-21 11:16:08,767 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 281 transitions. Word has length 65 [2020-09-21 11:16:08,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:08,768 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 281 transitions. [2020-09-21 11:16:08,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 281 transitions. [2020-09-21 11:16:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:16:08,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:08,770 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:08,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:08,770 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:08,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:08,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2020-09-21 11:16:08,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:08,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635687848] [2020-09-21 11:16:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:16:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-09-21 11:16:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:16:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,799 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:09,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-21 11:16:09,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:09,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:10,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:10,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:10,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:10,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:10,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:16:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:10,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:10,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:10,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:10,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:10,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:10,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:10,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:10,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:10,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:10,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:10,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:10,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635687848] [2020-09-21 11:16:10,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:10,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:10,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156394288] [2020-09-21 11:16:10,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:10,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:10,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:10,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:10,140 INFO L87 Difference]: Start difference. First operand 236 states and 281 transitions. Second operand 9 states. [2020-09-21 11:16:10,539 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:11,398 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:12,322 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:12,750 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:13,452 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:13,745 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:14,347 INFO L93 Difference]: Finished difference Result 644 states and 837 transitions. [2020-09-21 11:16:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:14,348 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:16:14,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:14,360 INFO L225 Difference]: With dead ends: 644 [2020-09-21 11:16:14,360 INFO L226 Difference]: Without dead ends: 436 [2020-09-21 11:16:14,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-09-21 11:16:14,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 374. [2020-09-21 11:16:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-21 11:16:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 449 transitions. [2020-09-21 11:16:14,485 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 449 transitions. Word has length 70 [2020-09-21 11:16:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:14,485 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 449 transitions. [2020-09-21 11:16:14,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 449 transitions. [2020-09-21 11:16:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:14,487 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:14,487 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:14,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:14,488 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:14,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:14,488 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2020-09-21 11:16:14,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:14,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279433359] [2020-09-21 11:16:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-21 11:16:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:16:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,113 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:15,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:15,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:15,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:15,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:15,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:15,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:15,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:15,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:15,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:15,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:15,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:15,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:15,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:15,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:15,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279433359] [2020-09-21 11:16:15,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:15,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:15,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812222721] [2020-09-21 11:16:15,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:15,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:15,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:15,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:15,394 INFO L87 Difference]: Start difference. First operand 374 states and 449 transitions. Second operand 9 states. [2020-09-21 11:16:15,791 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:17,061 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:17,388 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:17,706 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:18,040 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:19,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:19,388 INFO L93 Difference]: Finished difference Result 1107 states and 1472 transitions. [2020-09-21 11:16:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:19,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-09-21 11:16:19,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:19,394 INFO L225 Difference]: With dead ends: 1107 [2020-09-21 11:16:19,394 INFO L226 Difference]: Without dead ends: 761 [2020-09-21 11:16:19,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:19,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-21 11:16:19,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 657. [2020-09-21 11:16:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-09-21 11:16:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 792 transitions. [2020-09-21 11:16:19,505 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 792 transitions. Word has length 93 [2020-09-21 11:16:19,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:19,506 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 792 transitions. [2020-09-21 11:16:19,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:19,506 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 792 transitions. [2020-09-21 11:16:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:19,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:19,509 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:19,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:19,509 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2020-09-21 11:16:19,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:19,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655559515] [2020-09-21 11:16:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:16:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,896 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:19,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:20,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:16:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:20,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:20,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:20,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:20,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:20,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:20,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:20,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:20,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:20,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:20,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:20,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:20,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655559515] [2020-09-21 11:16:20,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:20,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:20,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634514498] [2020-09-21 11:16:20,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:20,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:20,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:20,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:20,172 INFO L87 Difference]: Start difference. First operand 657 states and 792 transitions. Second operand 9 states. [2020-09-21 11:16:21,553 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:21,866 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:22,206 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:22,520 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:23,418 INFO L93 Difference]: Finished difference Result 1389 states and 1760 transitions. [2020-09-21 11:16:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:23,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-09-21 11:16:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:23,425 INFO L225 Difference]: With dead ends: 1389 [2020-09-21 11:16:23,425 INFO L226 Difference]: Without dead ends: 760 [2020-09-21 11:16:23,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-21 11:16:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 677. [2020-09-21 11:16:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-09-21 11:16:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 812 transitions. [2020-09-21 11:16:23,550 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 812 transitions. Word has length 93 [2020-09-21 11:16:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:23,551 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 812 transitions. [2020-09-21 11:16:23,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 812 transitions. [2020-09-21 11:16:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:16:23,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:23,553 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:23,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:23,554 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:23,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:23,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2020-09-21 11:16:23,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:23,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101170686] [2020-09-21 11:16:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:23,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-21 11:16:23,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-21 11:16:23,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:16:23,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:23,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:16:23,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,866 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:23,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:23,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:23,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:23,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:23,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:23,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:24,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:16:24,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:24,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:24,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:16:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:24,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101170686] [2020-09-21 11:16:24,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:24,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:24,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477691183] [2020-09-21 11:16:24,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:24,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:24,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:24,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:24,076 INFO L87 Difference]: Start difference. First operand 677 states and 812 transitions. Second operand 8 states. [2020-09-21 11:16:25,401 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:25,729 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:26,040 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:26,951 INFO L93 Difference]: Finished difference Result 1258 states and 1587 transitions. [2020-09-21 11:16:26,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:26,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-09-21 11:16:26,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:26,955 INFO L225 Difference]: With dead ends: 1258 [2020-09-21 11:16:26,955 INFO L226 Difference]: Without dead ends: 609 [2020-09-21 11:16:26,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2020-09-21 11:16:27,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 544. [2020-09-21 11:16:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-09-21 11:16:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 635 transitions. [2020-09-21 11:16:27,056 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 635 transitions. Word has length 93 [2020-09-21 11:16:27,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:27,057 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 635 transitions. [2020-09-21 11:16:27,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 635 transitions. [2020-09-21 11:16:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-09-21 11:16:27,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:27,060 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:27,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:27,060 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:27,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:27,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2020-09-21 11:16:27,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:27,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837669254] [2020-09-21 11:16:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:16:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-09-21 11:16:27,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:27,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:16:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,894 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:27,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:16:27,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:27,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:27,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:27,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:27,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:27,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:27,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:27,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:27,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:27,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:27,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:27,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:27,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:27,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:27,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:27,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:27,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:16:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:28,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:28,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:16:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:28,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:28,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:16:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:28,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:28,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837669254] [2020-09-21 11:16:28,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:28,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:28,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039032953] [2020-09-21 11:16:28,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:28,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:28,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:28,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:28,169 INFO L87 Difference]: Start difference. First operand 544 states and 635 transitions. Second operand 12 states. [2020-09-21 11:16:28,645 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:29,367 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:30,205 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:30,636 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:30,954 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:31,251 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:31,543 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:33,656 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:34,047 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:34,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:34,811 INFO L93 Difference]: Finished difference Result 1621 states and 2062 transitions. [2020-09-21 11:16:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:34,812 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-09-21 11:16:34,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:34,819 INFO L225 Difference]: With dead ends: 1621 [2020-09-21 11:16:34,819 INFO L226 Difference]: Without dead ends: 1250 [2020-09-21 11:16:34,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-09-21 11:16:35,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1134. [2020-09-21 11:16:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2020-09-21 11:16:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1330 transitions. [2020-09-21 11:16:35,012 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1330 transitions. Word has length 97 [2020-09-21 11:16:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:35,013 INFO L479 AbstractCegarLoop]: Abstraction has 1134 states and 1330 transitions. [2020-09-21 11:16:35,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1330 transitions. [2020-09-21 11:16:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-21 11:16:35,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:35,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:16:35,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:35,016 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:35,017 INFO L82 PathProgramCache]: Analyzing trace with hash -556096008, now seen corresponding path program 1 times [2020-09-21 11:16:35,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:35,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452821908] [2020-09-21 11:16:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 11:16:35,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:16:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:16:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,387 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:35,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:16:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:35,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:16:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:16:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:35,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:35,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:16:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:35,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:35,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:16:35,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:35,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:35,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:35,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-21 11:16:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:16:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:35,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:16:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-21 11:16:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:35,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:16:35,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452821908] [2020-09-21 11:16:35,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:35,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:16:35,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608178948] [2020-09-21 11:16:35,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:16:35,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:35,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:16:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:35,711 INFO L87 Difference]: Start difference. First operand 1134 states and 1330 transitions. Second operand 10 states. [2020-09-21 11:16:36,135 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:37,015 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:39,541 INFO L93 Difference]: Finished difference Result 2019 states and 2427 transitions. [2020-09-21 11:16:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:16:39,542 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2020-09-21 11:16:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:39,548 INFO L225 Difference]: With dead ends: 2019 [2020-09-21 11:16:39,548 INFO L226 Difference]: Without dead ends: 913 [2020-09-21 11:16:39,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:16:39,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-09-21 11:16:39,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 794. [2020-09-21 11:16:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-09-21 11:16:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 915 transitions. [2020-09-21 11:16:39,700 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 915 transitions. Word has length 138 [2020-09-21 11:16:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:39,700 INFO L479 AbstractCegarLoop]: Abstraction has 794 states and 915 transitions. [2020-09-21 11:16:39,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:16:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 915 transitions. [2020-09-21 11:16:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:16:39,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:39,706 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:39,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:39,706 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:39,707 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2020-09-21 11:16:39,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:39,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816193567] [2020-09-21 11:16:39,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:39,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -86 [2020-09-21 11:16:39,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 86 [2020-09-21 11:16:39,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:39,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-21 11:16:39,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:16:39,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-09-21 11:16:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:16:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,128 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:40,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:16:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:40,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:40,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:40,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:40,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:40,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:40,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:40,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 11:16:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:40,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:40,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:40,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:16:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:16:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-21 11:16:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:40,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:40,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:40,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:16:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:40,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-21 11:16:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:40,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:40,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:40,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:40,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:40,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:40,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:40,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:40,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:16:40,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816193567] [2020-09-21 11:16:40,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:40,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:40,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978893667] [2020-09-21 11:16:40,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:40,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:40,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:40,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:40,593 INFO L87 Difference]: Start difference. First operand 794 states and 915 transitions. Second operand 12 states. [2020-09-21 11:16:41,342 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:42,565 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:42,900 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:43,475 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:44,537 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:44,908 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:45,602 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:45,953 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:46,634 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:47,304 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:47,780 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:48,576 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:49,505 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:50,197 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:51,000 INFO L93 Difference]: Finished difference Result 1786 states and 2128 transitions. [2020-09-21 11:16:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-21 11:16:51,001 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-09-21 11:16:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:51,013 INFO L225 Difference]: With dead ends: 1786 [2020-09-21 11:16:51,014 INFO L226 Difference]: Without dead ends: 1134 [2020-09-21 11:16:51,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 62 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=541, Invalid=1621, Unknown=0, NotChecked=0, Total=2162 [2020-09-21 11:16:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2020-09-21 11:16:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 958. [2020-09-21 11:16:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-09-21 11:16:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1096 transitions. [2020-09-21 11:16:51,237 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1096 transitions. Word has length 157 [2020-09-21 11:16:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:51,240 INFO L479 AbstractCegarLoop]: Abstraction has 958 states and 1096 transitions. [2020-09-21 11:16:51,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1096 transitions. [2020-09-21 11:16:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-21 11:16:51,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:51,247 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:16:51,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:51,247 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:51,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575381, now seen corresponding path program 1 times [2020-09-21 11:16:51,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:51,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497390910] [2020-09-21 11:16:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-09-21 11:16:51,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:16:51,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:16:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:16:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,737 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:51,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:51,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:51,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:16:51,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:51,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:16:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:51,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:51,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:51,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:51,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:51,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:51,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:51,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:51,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:51,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:51,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:16:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:16:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:16:52,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:16:52,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:16:52,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:52,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:52,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:52,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:52,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:52,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:52,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:52,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:16:52,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:16:52,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:52,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:52,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:52,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:52,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:52,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:16:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:52,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:52,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:16:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:52,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-21 11:16:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-21 11:16:52,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:52,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:16:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:52,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:16:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:16:52,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:52,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:16:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:16:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:52,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-21 11:16:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:52,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-21 11:16:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:16:52,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-21 11:16:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:52,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:52,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:52,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-21 11:16:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:52,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-21 11:16:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:52,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:52,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:52,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:52,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:52,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:52,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:52,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 82 proven. 30 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-09-21 11:16:52,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497390910] [2020-09-21 11:16:52,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:52,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-21 11:16:52,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225722625] [2020-09-21 11:16:52,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-21 11:16:52,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:52,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-21 11:16:52,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:16:52,568 INFO L87 Difference]: Start difference. First operand 958 states and 1096 transitions. Second operand 16 states.