/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:51:13,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:51:13,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:51:13,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:51:13,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:51:13,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:51:13,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:51:13,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:51:13,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:51:13,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:51:13,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:51:13,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:51:13,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:51:13,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:51:13,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:51:13,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:51:13,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:51:13,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:51:13,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:51:13,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:51:13,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:51:13,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:51:13,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:51:13,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:51:13,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:51:13,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:51:13,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:51:13,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:51:13,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:51:13,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:51:13,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:51:13,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:51:13,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:51:13,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:51:13,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:51:13,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:51:13,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:51:13,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:51:13,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:51:13,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:51:13,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:51:13,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:51:13,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:51:13,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:51:13,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:51:13,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:51:13,614 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:51:13,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:51:13,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:51:13,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:51:13,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:51:13,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:51:13,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:51:13,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:51:13,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:51:13,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:51:13,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:51:13,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:51:13,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:51:13,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:51:13,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:51:13,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:51:13,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:51:13,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:51:13,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:51:13,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:51:13,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:51:13,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:51:13,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:51:13,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:51:13,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:51:13,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:51:14,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:51:14,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:51:14,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:51:14,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:51:14,076 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:51:14,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-24 15:51:14,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f2d00cf3/cfb49379c19d445d820db3683f397061/FLAGbf33f21cc [2020-09-24 15:51:14,759 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:51:14,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-24 15:51:14,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f2d00cf3/cfb49379c19d445d820db3683f397061/FLAGbf33f21cc [2020-09-24 15:51:15,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f2d00cf3/cfb49379c19d445d820db3683f397061 [2020-09-24 15:51:15,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:51:15,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:51:15,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:15,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:51:15,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:51:15,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fd97d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15, skipping insertion in model container [2020-09-24 15:51:15,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:51:15,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:51:15,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:15,613 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:51:15,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:51:15,791 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:51:15,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15 WrapperNode [2020-09-24 15:51:15,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:51:15,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:51:15,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:51:15,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:51:15,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... [2020-09-24 15:51:15,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:51:15,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:51:15,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:51:15,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:51:15,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:51:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:51:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:51:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:51:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:51:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:51:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:51:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:51:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:51:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:51:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:51:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:51:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:51:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:51:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:51:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:51:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:51:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:51:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:51:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:51:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:51:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:51:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:51:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:51:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:51:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:51:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:51:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:51:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:51:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:51:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:51:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:51:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:51:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:51:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:51:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:51:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:51:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:51:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:51:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:51:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:51:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:51:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:51:16,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:51:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:51:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:51:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:51:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:51:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:51:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:51:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:51:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:51:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:51:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:51:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:51:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:51:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:51:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:51:17,131 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:51:17,131 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:51:17,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:17 BoogieIcfgContainer [2020-09-24 15:51:17,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:51:17,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:51:17,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:51:17,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:51:17,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:51:15" (1/3) ... [2020-09-24 15:51:17,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:17, skipping insertion in model container [2020-09-24 15:51:17,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:51:15" (2/3) ... [2020-09-24 15:51:17,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cc1ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:51:17, skipping insertion in model container [2020-09-24 15:51:17,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:51:17" (3/3) ... [2020-09-24 15:51:17,148 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-24 15:51:17,159 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:51:17,169 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:51:17,186 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:51:17,215 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:51:17,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:51:17,216 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:51:17,216 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:51:17,216 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:51:17,216 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:51:17,216 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:51:17,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:51:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-24 15:51:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:51:17,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:17,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:17,266 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:17,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-24 15:51:17,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:17,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529023490] [2020-09-24 15:51:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:17,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:17,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:17,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:17,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:17,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:51:17,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:51:17,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:51:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 15:51:18,149 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:18,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:18,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:18,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:18,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:18,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:18,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:18,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:51:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:18,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:51:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:18,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:18,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:18,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:18,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:18,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:18,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:18,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:18,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:18,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:18,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:18,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529023490] [2020-09-24 15:51:18,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:18,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:51:18,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615470919] [2020-09-24 15:51:18,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:51:18,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:18,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:51:18,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:51:18,448 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 3 states. [2020-09-24 15:51:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:20,111 INFO L93 Difference]: Finished difference Result 575 states and 684 transitions. [2020-09-24 15:51:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:51:20,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:51:20,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:20,139 INFO L225 Difference]: With dead ends: 575 [2020-09-24 15:51:20,139 INFO L226 Difference]: Without dead ends: 348 [2020-09-24 15:51:20,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:51:20,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-24 15:51:20,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 301. [2020-09-24 15:51:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-24 15:51:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 331 transitions. [2020-09-24 15:51:20,261 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 331 transitions. Word has length 142 [2020-09-24 15:51:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:20,262 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 331 transitions. [2020-09-24 15:51:20,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:51:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 331 transitions. [2020-09-24 15:51:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:51:20,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:20,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:20,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:51:20,270 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:20,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:20,270 INFO L82 PathProgramCache]: Analyzing trace with hash 999725193, now seen corresponding path program 1 times [2020-09-24 15:51:20,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:20,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077684058] [2020-09-24 15:51:20,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:51:20,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:51:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:20,745 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:20,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:20,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:20,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:20,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:20,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:20,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:20,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:20,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:20,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:20,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:20,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:20,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:20,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:20,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:20,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:51:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:20,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:20,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:20,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:20,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:51:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:20,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:20,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:20,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:20,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:20,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:20,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:20,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:20,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077684058] [2020-09-24 15:51:20,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:20,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:51:20,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291670887] [2020-09-24 15:51:20,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:51:20,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:20,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:51:20,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:51:20,912 INFO L87 Difference]: Start difference. First operand 301 states and 331 transitions. Second operand 4 states. [2020-09-24 15:51:21,530 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:22,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:22,842 INFO L93 Difference]: Finished difference Result 486 states and 551 transitions. [2020-09-24 15:51:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:51:22,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:51:22,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:22,850 INFO L225 Difference]: With dead ends: 486 [2020-09-24 15:51:22,850 INFO L226 Difference]: Without dead ends: 331 [2020-09-24 15:51:22,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-24 15:51:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-09-24 15:51:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-09-24 15:51:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-09-24 15:51:22,902 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 143 [2020-09-24 15:51:22,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:22,903 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-09-24 15:51:22,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:51:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-09-24 15:51:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:51:22,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:22,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:22,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:51:22,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:22,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:22,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1892651662, now seen corresponding path program 1 times [2020-09-24 15:51:22,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:22,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581081398] [2020-09-24 15:51:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:22,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:22,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:22,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:22,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:51:22,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:51:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,320 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:23,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:51:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:23,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:23,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:23,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:23,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:23,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:23,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:23,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:23,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:51:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:23,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:23,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:23,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:51:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:23,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:23,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:23,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:23,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:23,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:23,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:23,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:23,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:23,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581081398] [2020-09-24 15:51:23,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:23,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:51:23,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49026340] [2020-09-24 15:51:23,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:51:23,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:23,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:51:23,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:51:23,512 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 4 states. [2020-09-24 15:51:24,013 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:26,152 INFO L93 Difference]: Finished difference Result 709 states and 815 transitions. [2020-09-24 15:51:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:51:26,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:51:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:26,159 INFO L225 Difference]: With dead ends: 709 [2020-09-24 15:51:26,159 INFO L226 Difference]: Without dead ends: 528 [2020-09-24 15:51:26,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:51:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-09-24 15:51:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 466. [2020-09-24 15:51:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-09-24 15:51:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 521 transitions. [2020-09-24 15:51:26,233 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 521 transitions. Word has length 152 [2020-09-24 15:51:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:26,234 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 521 transitions. [2020-09-24 15:51:26,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:51:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 521 transitions. [2020-09-24 15:51:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:51:26,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:26,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:26,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:51:26,238 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:26,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash -200869376, now seen corresponding path program 1 times [2020-09-24 15:51:26,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:26,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399276609] [2020-09-24 15:51:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:26,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:51:26,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:51:26,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:51:26,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:51:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:51:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,717 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:26,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:51:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:26,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:26,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:26,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:26,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:51:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:26,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:26,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:26,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:26,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:51:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:26,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:26,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:26,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:26,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:26,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:26,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:26,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:26,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:26,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:26,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399276609] [2020-09-24 15:51:26,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:26,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:51:26,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296110601] [2020-09-24 15:51:26,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:51:26,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:26,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:51:26,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:51:26,973 INFO L87 Difference]: Start difference. First operand 466 states and 521 transitions. Second operand 9 states. [2020-09-24 15:51:27,535 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:29,470 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:29,856 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:30,282 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:30,657 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:30,974 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:31,302 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:31,609 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:33,357 INFO L93 Difference]: Finished difference Result 1273 states and 1525 transitions. [2020-09-24 15:51:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:51:33,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:51:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:33,368 INFO L225 Difference]: With dead ends: 1273 [2020-09-24 15:51:33,368 INFO L226 Difference]: Without dead ends: 917 [2020-09-24 15:51:33,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:51:33,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-09-24 15:51:33,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 817. [2020-09-24 15:51:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-09-24 15:51:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 935 transitions. [2020-09-24 15:51:33,496 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 935 transitions. Word has length 161 [2020-09-24 15:51:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:33,497 INFO L479 AbstractCegarLoop]: Abstraction has 817 states and 935 transitions. [2020-09-24 15:51:33,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:51:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 935 transitions. [2020-09-24 15:51:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:51:33,501 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:33,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:33,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:51:33,502 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:33,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:33,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1777237157, now seen corresponding path program 1 times [2020-09-24 15:51:33,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:33,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991092061] [2020-09-24 15:51:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:51:33,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:51:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:51:33,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:51:33,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,887 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:33,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:51:33,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:33,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:33,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:33,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:33,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:33,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:33,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:33,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:33,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:33,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:51:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:51:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:34,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:34,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:34,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:34,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:34,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:51:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:34,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:34,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:34,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:34,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:34,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991092061] [2020-09-24 15:51:34,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:34,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:51:34,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320838451] [2020-09-24 15:51:34,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:51:34,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:34,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:51:34,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:51:34,077 INFO L87 Difference]: Start difference. First operand 817 states and 935 transitions. Second operand 6 states. [2020-09-24 15:51:34,638 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:36,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:36,922 INFO L93 Difference]: Finished difference Result 1857 states and 2232 transitions. [2020-09-24 15:51:36,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:51:36,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:51:36,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:36,931 INFO L225 Difference]: With dead ends: 1857 [2020-09-24 15:51:36,931 INFO L226 Difference]: Without dead ends: 1150 [2020-09-24 15:51:36,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:51:36,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2020-09-24 15:51:37,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1057. [2020-09-24 15:51:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-24 15:51:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1200 transitions. [2020-09-24 15:51:37,101 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1200 transitions. Word has length 166 [2020-09-24 15:51:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:37,103 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1200 transitions. [2020-09-24 15:51:37,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:51:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1200 transitions. [2020-09-24 15:51:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:51:37,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:37,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:37,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:51:37,106 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:37,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:37,107 INFO L82 PathProgramCache]: Analyzing trace with hash 719207140, now seen corresponding path program 1 times [2020-09-24 15:51:37,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:37,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671473723] [2020-09-24 15:51:37,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,695 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:37,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:37,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:37,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:51:37,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:37,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:37,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:37,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:37,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:37,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:51:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:51:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:37,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:37,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:37,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:37,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:37,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:37,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:37,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:51:37,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671473723] [2020-09-24 15:51:37,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:37,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:51:37,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166282109] [2020-09-24 15:51:37,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:51:37,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:37,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:51:37,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:51:37,997 INFO L87 Difference]: Start difference. First operand 1057 states and 1200 transitions. Second operand 12 states. [2020-09-24 15:51:38,542 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:39,723 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:40,021 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:40,340 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:40,654 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:51:40,956 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:42,262 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:42,556 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:42,981 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:44,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:44,597 INFO L93 Difference]: Finished difference Result 2210 states and 2725 transitions. [2020-09-24 15:51:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:51:44,598 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:51:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:44,608 INFO L225 Difference]: With dead ends: 2210 [2020-09-24 15:51:44,608 INFO L226 Difference]: Without dead ends: 1614 [2020-09-24 15:51:44,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:51:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2020-09-24 15:51:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1428. [2020-09-24 15:51:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-09-24 15:51:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1672 transitions. [2020-09-24 15:51:44,843 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1672 transitions. Word has length 166 [2020-09-24 15:51:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:44,844 INFO L479 AbstractCegarLoop]: Abstraction has 1428 states and 1672 transitions. [2020-09-24 15:51:44,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:51:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1672 transitions. [2020-09-24 15:51:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-09-24 15:51:44,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:44,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:44,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:51:44,852 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:44,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:44,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1370204428, now seen corresponding path program 1 times [2020-09-24 15:51:44,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:44,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235159548] [2020-09-24 15:51:44,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:44,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:44,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:44,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:44,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:44,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-09-24 15:51:44,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:44,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,247 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:45,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:45,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:45,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:45,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:45,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:51:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:51:45,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:51:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:45,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:51:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:45,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:45,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:51:45,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:51:45,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:51:45,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:45,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:51:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:45,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:45,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:45,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:45,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:45,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 15:51:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:45,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:51:45,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:45,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:45,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 15:51:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-24 15:51:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:45,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:45,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-24 15:51:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:45,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:45,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:45,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:45,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:45,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:45,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:45,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:45,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:45,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:51:45,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235159548] [2020-09-24 15:51:45,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:51:45,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:51:45,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647304968] [2020-09-24 15:51:45,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:51:45,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:45,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:51:45,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:51:45,779 INFO L87 Difference]: Start difference. First operand 1428 states and 1672 transitions. Second operand 13 states. [2020-09-24 15:51:47,001 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:47,639 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:47,937 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:48,262 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:48,572 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:48,910 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:49,188 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:51,607 INFO L93 Difference]: Finished difference Result 2431 states and 2963 transitions. [2020-09-24 15:51:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:51:51,608 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2020-09-24 15:51:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:51,613 INFO L225 Difference]: With dead ends: 2431 [2020-09-24 15:51:51,613 INFO L226 Difference]: Without dead ends: 931 [2020-09-24 15:51:51,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:51:51,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-24 15:51:51,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 853. [2020-09-24 15:51:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-09-24 15:51:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 974 transitions. [2020-09-24 15:51:51,731 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 974 transitions. Word has length 265 [2020-09-24 15:51:51,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:51,731 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 974 transitions. [2020-09-24 15:51:51,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:51:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 974 transitions. [2020-09-24 15:51:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-09-24 15:51:51,737 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:51,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:51,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:51,738 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:51,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1010153352, now seen corresponding path program 1 times [2020-09-24 15:51:51,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:51,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255145784] [2020-09-24 15:51:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:51,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:51:51,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -70 [2020-09-24 15:51:51,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 70 [2020-09-24 15:51:51,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:51,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 346 [2020-09-24 15:51:51,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:51,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:51,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:51,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-09-24 15:51:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:52,086 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:52,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:52,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:51:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:51:52,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:52,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 15:51:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:51:52,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:52,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:52,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:51:52,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:52,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:51:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:52,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:52,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:52,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:51:52,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:51:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:52,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:52,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:52,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:51:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:52,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:52,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 15:51:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:51:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:51:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:52,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:51:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:51:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 15:51:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:52,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:52,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-09-24 15:51:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:52,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-09-24 15:51:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:52,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:52,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:52,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:52,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:52,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-24 15:51:52,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255145784] [2020-09-24 15:51:52,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:52,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:51:52,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664577790] [2020-09-24 15:51:52,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:51:52,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:52,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:51:52,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:51:52,477 INFO L87 Difference]: Start difference. First operand 853 states and 974 transitions. Second operand 10 states. [2020-09-24 15:51:53,598 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:53,883 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:54,175 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:54,471 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:54,748 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:56,291 INFO L93 Difference]: Finished difference Result 1513 states and 1797 transitions. [2020-09-24 15:51:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:51:56,291 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 283 [2020-09-24 15:51:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:56,296 INFO L225 Difference]: With dead ends: 1513 [2020-09-24 15:51:56,296 INFO L226 Difference]: Without dead ends: 770 [2020-09-24 15:51:56,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:56,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-09-24 15:51:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 725. [2020-09-24 15:51:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-09-24 15:51:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 822 transitions. [2020-09-24 15:51:56,427 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 822 transitions. Word has length 283 [2020-09-24 15:51:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:56,428 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 822 transitions. [2020-09-24 15:51:56,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:51:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 822 transitions. [2020-09-24 15:51:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-09-24 15:51:56,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:56,433 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:51:56,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:51:56,434 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:56,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:56,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1484857167, now seen corresponding path program 1 times [2020-09-24 15:51:56,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:56,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684264457] [2020-09-24 15:51:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:51:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:51:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-09-24 15:51:56,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,847 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:56,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:56,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:51:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:56,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:56,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:56,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:56,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:56,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:51:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:56,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:56,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:56,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:56,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:56,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:51:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:56,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:51:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:51:57,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:51:57,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:57,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:57,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:57,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:57,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 15:51:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:57,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 15:51:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 15:51:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:51:57,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:51:57,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:51:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:51:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:51:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:57,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:57,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:51:57,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:51:57,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:57,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:57,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:51:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:51:57,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:51:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:57,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 15:51:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:57,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:57,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 15:51:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:57,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:57,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:57,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:57,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:57,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:57,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:57,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:57,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:57,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:51:57,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684264457] [2020-09-24 15:51:57,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:57,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:51:57,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677912912] [2020-09-24 15:51:57,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:51:57,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:57,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:51:57,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:51:57,399 INFO L87 Difference]: Start difference. First operand 725 states and 822 transitions. Second operand 15 states. [2020-09-24 15:51:57,914 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:58,935 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:00,248 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:52:00,580 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:00,953 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:52:01,314 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:01,612 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:52:01,923 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:52:02,230 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:52:02,558 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:02,896 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:52:03,274 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:52:03,625 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:52:03,968 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:52:05,527 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:52:05,831 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:06,123 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:52:06,460 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:52:06,795 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:52:07,105 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:52:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:08,607 INFO L93 Difference]: Finished difference Result 1925 states and 2265 transitions. [2020-09-24 15:52:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:52:08,608 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 288 [2020-09-24 15:52:08,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:08,615 INFO L225 Difference]: With dead ends: 1925 [2020-09-24 15:52:08,615 INFO L226 Difference]: Without dead ends: 1310 [2020-09-24 15:52:08,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=336, Invalid=1470, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:52:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-24 15:52:08,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1236. [2020-09-24 15:52:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2020-09-24 15:52:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1399 transitions. [2020-09-24 15:52:08,773 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1399 transitions. Word has length 288 [2020-09-24 15:52:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:08,774 INFO L479 AbstractCegarLoop]: Abstraction has 1236 states and 1399 transitions. [2020-09-24 15:52:08,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:52:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1399 transitions. [2020-09-24 15:52:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-09-24 15:52:08,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:08,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:08,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:52:08,781 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:08,781 INFO L82 PathProgramCache]: Analyzing trace with hash -212517235, now seen corresponding path program 1 times [2020-09-24 15:52:08,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:08,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372139097] [2020-09-24 15:52:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:08,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:08,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:08,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-09-24 15:52:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:52:08,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:52:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-09-24 15:52:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-24 15:52:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,181 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:52:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:52:09,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:52:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:52:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:09,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:52:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:52:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:52:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:52:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:52:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:52:09,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:52:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:52:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:52:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:52:09,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:52:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:52:09,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:52:09,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:52:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:09,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-24 15:52:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:52:09,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 15:52:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-09-24 15:52:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:52:09,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-24 15:52:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:52:09,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:52:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:52:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:52:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:52:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:52:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:09,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:09,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:52:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2020-09-24 15:52:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:09,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-09-24 15:52:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:09,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:09,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:09,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:09,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:09,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:09,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:09,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:52:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-09-24 15:52:09,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372139097] [2020-09-24 15:52:09,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:52:09,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:52:09,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565183038] [2020-09-24 15:52:09,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:52:09,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:09,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:52:09,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:52:09,587 INFO L87 Difference]: Start difference. First operand 1236 states and 1399 transitions. Second operand 12 states. [2020-09-24 15:52:10,149 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187