/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_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:55,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:55,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:55,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:55,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:55,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:55,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:55,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:55,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:55,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:55,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:55,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:55,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:55,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:55,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:55,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:55,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:55,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:55,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:55,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:55,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:55,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:55,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:55,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:55,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:55,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:55,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:55,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:55,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:55,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:55,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:55,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:55,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:55,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:55,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:55,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:55,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:55,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:55,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:55,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:55,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:55,469 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 15:45:55,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:55,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:55,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:55,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:55,517 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:55,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:55,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:55,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:55,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:55,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:55,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:55,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:55,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:55,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:55,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:55,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:55,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:55,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:55,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:55,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:55,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:55,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:55,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:55,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:55,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:55,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:55,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:55,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:55,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:55,524 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 15:45:55,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:55,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:55,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:55,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:55,985 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:55,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-09-24 15:45:56,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbc3e9d7/8569de7576af450aa6f0d9d0e1ececa3/FLAG39c0c815c [2020-09-24 15:45:56,694 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:56,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-09-24 15:45:56,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbc3e9d7/8569de7576af450aa6f0d9d0e1ececa3/FLAG39c0c815c [2020-09-24 15:45:56,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbc3e9d7/8569de7576af450aa6f0d9d0e1ececa3 [2020-09-24 15:45:57,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:57,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:57,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:57,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:57,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:57,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:56" (1/1) ... [2020-09-24 15:45:57,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369e4506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57, skipping insertion in model container [2020-09-24 15:45:57,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:56" (1/1) ... [2020-09-24 15:45:57,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:57,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:57,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:57,662 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:57,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:57,816 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:57,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57 WrapperNode [2020-09-24 15:45:57,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:57,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:57,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:57,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:57,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (1/1) ... [2020-09-24 15:45:57,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:57,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:57,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:57,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:57,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (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 15:45:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:45:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:59,158 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:59,159 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:59,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:59 BoogieIcfgContainer [2020-09-24 15:45:59,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:59,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:59,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:59,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:59,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:56" (1/3) ... [2020-09-24 15:45:59,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296dd348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:59, skipping insertion in model container [2020-09-24 15:45:59,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:57" (2/3) ... [2020-09-24 15:45:59,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296dd348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:59, skipping insertion in model container [2020-09-24 15:45:59,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:59" (3/3) ... [2020-09-24 15:45:59,179 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-09-24 15:45:59,188 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:59,198 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:59,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:59,251 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:59,251 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:59,251 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:59,251 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:59,252 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:59,252 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:59,252 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:59,252 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-09-24 15:45:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:59,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:59,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:59,302 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:59,310 INFO L82 PathProgramCache]: Analyzing trace with hash -722874537, now seen corresponding path program 1 times [2020-09-24 15:45:59,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:59,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670093284] [2020-09-24 15:45:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:59,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:59,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:59,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:45:59,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:00,208 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:00,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:00,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:00,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:46:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:00,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:00,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:00,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:00,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:00,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:00,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:00,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:00,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:46:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:00,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:00,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:00,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:00,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:00,503 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 15:46:00,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670093284] [2020-09-24 15:46:00,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:00,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:46:00,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498591293] [2020-09-24 15:46:00,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:46:00,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:00,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:46:00,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:46:00,539 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 4 states. [2020-09-24 15:46:01,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:01,920 INFO L93 Difference]: Finished difference Result 574 states and 680 transitions. [2020-09-24 15:46:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:46:01,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:46:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:01,945 INFO L225 Difference]: With dead ends: 574 [2020-09-24 15:46:01,945 INFO L226 Difference]: Without dead ends: 356 [2020-09-24 15:46:01,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:46:01,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-09-24 15:46:02,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 303. [2020-09-24 15:46:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-09-24 15:46:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 333 transitions. [2020-09-24 15:46:02,072 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 333 transitions. Word has length 148 [2020-09-24 15:46:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:02,073 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 333 transitions. [2020-09-24 15:46:02,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:46:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 333 transitions. [2020-09-24 15:46:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:46:02,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:02,079 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] [2020-09-24 15:46:02,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:46:02,080 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:02,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1138683405, now seen corresponding path program 1 times [2020-09-24 15:46:02,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:02,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842781141] [2020-09-24 15:46:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:46:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:46:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:46:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:02,717 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:02,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:46:02,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:02,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:02,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:02,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:02,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:02,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:02,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:02,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:46:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:46:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:02,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:46:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:02,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:02,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:02,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:02,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:02,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:02,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:02,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:02,896 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 15:46:02,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842781141] [2020-09-24 15:46:02,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:02,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:46:02,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983846210] [2020-09-24 15:46:02,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:46:02,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:46:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:46:02,901 INFO L87 Difference]: Start difference. First operand 303 states and 333 transitions. Second operand 5 states. [2020-09-24 15:46:03,622 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:05,026 INFO L93 Difference]: Finished difference Result 499 states and 571 transitions. [2020-09-24 15:46:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:46:05,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:46:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:05,032 INFO L225 Difference]: With dead ends: 499 [2020-09-24 15:46:05,032 INFO L226 Difference]: Without dead ends: 345 [2020-09-24 15:46:05,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:46:05,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-24 15:46:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 293. [2020-09-24 15:46:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-24 15:46:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 320 transitions. [2020-09-24 15:46:05,085 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 320 transitions. Word has length 149 [2020-09-24 15:46:05,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:05,086 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 320 transitions. [2020-09-24 15:46:05,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:46:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 320 transitions. [2020-09-24 15:46:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:46:05,089 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:05,090 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] [2020-09-24 15:46:05,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:46:05,090 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:05,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1213678048, now seen corresponding path program 1 times [2020-09-24 15:46:05,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:05,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835292569] [2020-09-24 15:46:05,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:05,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:46:05,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:46:05,160 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:46:05,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:05,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:05,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:46:05,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:05,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,481 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:05,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:46:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:46:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:05,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:05,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:05,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:05,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:05,679 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 15:46:05,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835292569] [2020-09-24 15:46:05,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:05,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:46:05,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433193415] [2020-09-24 15:46:05,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:46:05,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:46:05,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:46:05,682 INFO L87 Difference]: Start difference. First operand 293 states and 320 transitions. Second operand 6 states. [2020-09-24 15:46:06,205 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:07,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:07,523 INFO L93 Difference]: Finished difference Result 546 states and 636 transitions. [2020-09-24 15:46:07,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:46:07,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 15:46:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:07,529 INFO L225 Difference]: With dead ends: 546 [2020-09-24 15:46:07,529 INFO L226 Difference]: Without dead ends: 368 [2020-09-24 15:46:07,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 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 15:46:07,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-24 15:46:07,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 293. [2020-09-24 15:46:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-24 15:46:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 319 transitions. [2020-09-24 15:46:07,576 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 319 transitions. Word has length 162 [2020-09-24 15:46:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:07,576 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 319 transitions. [2020-09-24 15:46:07,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:46:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 319 transitions. [2020-09-24 15:46:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 15:46:07,579 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:07,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:07,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:46:07,580 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:07,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:07,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1760191468, now seen corresponding path program 1 times [2020-09-24 15:46:07,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:07,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711565158] [2020-09-24 15:46:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:07,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 15:46:07,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:46:07,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:46:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:46:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:46:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,058 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:08,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:08,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:46:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:08,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:08,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:08,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:08,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:46:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:08,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:46:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:46:08,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:46:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:46:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:46:08,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:08,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:46:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:46:08,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:08,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:46:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:46:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:08,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:08,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:46:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:08,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:08,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:46:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:08,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:08,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:08,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:08,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:08,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:08,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:08,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:08,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:08,395 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 15:46:08,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711565158] [2020-09-24 15:46:08,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:08,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:46:08,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973052216] [2020-09-24 15:46:08,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:46:08,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:08,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:46:08,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:46:08,401 INFO L87 Difference]: Start difference. First operand 293 states and 319 transitions. Second operand 8 states. [2020-09-24 15:46:08,931 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:10,667 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:11,931 INFO L93 Difference]: Finished difference Result 748 states and 894 transitions. [2020-09-24 15:46:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:46:11,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-09-24 15:46:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:11,938 INFO L225 Difference]: With dead ends: 748 [2020-09-24 15:46:11,938 INFO L226 Difference]: Without dead ends: 570 [2020-09-24 15:46:11,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:46:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-09-24 15:46:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 429. [2020-09-24 15:46:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-09-24 15:46:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 464 transitions. [2020-09-24 15:46:12,020 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 464 transitions. Word has length 180 [2020-09-24 15:46:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:12,021 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 464 transitions. [2020-09-24 15:46:12,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 464 transitions. [2020-09-24 15:46:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:46:12,024 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:12,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:12,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:46:12,024 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:12,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:12,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1107693501, now seen corresponding path program 1 times [2020-09-24 15:46:12,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:12,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025907751] [2020-09-24 15:46:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-24 15:46:12,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:46:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:46:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:46:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-24 15:46:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,536 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:12,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:12,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:46:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:12,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:12,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:12,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:46:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:46:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:46:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:12,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:46:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:46:12,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:46:12,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:12,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:12,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:12,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:12,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:12,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:46:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:12,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 15:46:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:12,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:12,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:12,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:12,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:12,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:12,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:12,965 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 15:46:12,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025907751] [2020-09-24 15:46:12,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:12,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:46:12,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522845957] [2020-09-24 15:46:12,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:46:12,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:12,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:46:12,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:46:12,969 INFO L87 Difference]: Start difference. First operand 429 states and 464 transitions. Second operand 11 states. [2020-09-24 15:46:13,731 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:15,257 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:15,581 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:46:16,017 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:16,340 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:17,154 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:17,509 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:46:17,791 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:18,202 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:19,883 INFO L93 Difference]: Finished difference Result 1260 states and 1519 transitions. [2020-09-24 15:46:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:46:19,884 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 15:46:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:19,892 INFO L225 Difference]: With dead ends: 1260 [2020-09-24 15:46:19,892 INFO L226 Difference]: Without dead ends: 946 [2020-09-24 15:46:19,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:46:19,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-09-24 15:46:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 697. [2020-09-24 15:46:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-09-24 15:46:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 759 transitions. [2020-09-24 15:46:20,005 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 759 transitions. Word has length 204 [2020-09-24 15:46:20,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:20,006 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 759 transitions. [2020-09-24 15:46:20,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 759 transitions. [2020-09-24 15:46:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-24 15:46:20,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:20,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:20,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:46:20,010 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:20,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1288106247, now seen corresponding path program 1 times [2020-09-24 15:46:20,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:20,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622378438] [2020-09-24 15:46:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-24 15:46:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:46:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:46:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:46:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-09-24 15:46:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,483 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:20,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:46:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:20,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:20,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:20,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:46:20,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:46:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:46:20,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:46:20,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:20,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:46:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:20,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 15:46:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:20,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:20,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,803 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 15:46:20,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622378438] [2020-09-24 15:46:20,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:20,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:46:20,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119832351] [2020-09-24 15:46:20,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:46:20,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:20,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:46:20,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:46:20,808 INFO L87 Difference]: Start difference. First operand 697 states and 759 transitions. Second operand 12 states. [2020-09-24 15:46:21,406 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:23,327 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:23,612 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:24,069 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:25,833 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:26,083 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:26,485 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:26,799 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:27,109 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:27,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:27,881 INFO L93 Difference]: Finished difference Result 1658 states and 1979 transitions. [2020-09-24 15:46:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:46:27,881 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2020-09-24 15:46:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:27,889 INFO L225 Difference]: With dead ends: 1658 [2020-09-24 15:46:27,889 INFO L226 Difference]: Without dead ends: 1076 [2020-09-24 15:46:27,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=452, Invalid=1270, Unknown=0, NotChecked=0, Total=1722 [2020-09-24 15:46:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-09-24 15:46:28,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 695. [2020-09-24 15:46:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-24 15:46:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 755 transitions. [2020-09-24 15:46:28,020 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 755 transitions. Word has length 209 [2020-09-24 15:46:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:28,021 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 755 transitions. [2020-09-24 15:46:28,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:46:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 755 transitions. [2020-09-24 15:46:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-24 15:46:28,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:28,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:28,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:46:28,027 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:28,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1396594487, now seen corresponding path program 1 times [2020-09-24 15:46:28,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:28,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508228863] [2020-09-24 15:46:28,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 15:46:28,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-09-24 15:46:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,412 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:28,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:28,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:28,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:28,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:28,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:28,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:28,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:46:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:46:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:46:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:46:28,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:28,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:46:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:28,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:28,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:46:28,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:46:28,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:46:28,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:46:28,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:28,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:46:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:28,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:28,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:28,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:46:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:28,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:28,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:46:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:28,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:28,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:28,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:28,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:28,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:28,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:46:28,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508228863] [2020-09-24 15:46:28,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:28,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:46:28,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5750615] [2020-09-24 15:46:28,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:46:28,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:46:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:46:28,798 INFO L87 Difference]: Start difference. First operand 695 states and 755 transitions. Second operand 12 states. [2020-09-24 15:46:30,296 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:30,628 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:46:30,970 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:46:31,277 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:31,607 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:31,905 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:34,221 INFO L93 Difference]: Finished difference Result 1670 states and 2034 transitions. [2020-09-24 15:46:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:46:34,223 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 232 [2020-09-24 15:46:34,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:34,231 INFO L225 Difference]: With dead ends: 1670 [2020-09-24 15:46:34,231 INFO L226 Difference]: Without dead ends: 1090 [2020-09-24 15:46:34,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:46:34,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2020-09-24 15:46:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 711. [2020-09-24 15:46:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2020-09-24 15:46:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 771 transitions. [2020-09-24 15:46:34,340 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 771 transitions. Word has length 232 [2020-09-24 15:46:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:34,341 INFO L479 AbstractCegarLoop]: Abstraction has 711 states and 771 transitions. [2020-09-24 15:46:34,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:46:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 771 transitions. [2020-09-24 15:46:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-24 15:46:34,346 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:34,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:34,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:46:34,347 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:34,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:34,347 INFO L82 PathProgramCache]: Analyzing trace with hash 357568809, now seen corresponding path program 1 times [2020-09-24 15:46:34,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:34,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325007925] [2020-09-24 15:46:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:34,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:46:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-09-24 15:46:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,728 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:34,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:34,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:34,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:34,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:34,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:46:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:46:34,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:34,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:46:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:46:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:46:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:34,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:34,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:46:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:34,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:46:34,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:34,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:46:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:34,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:34,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:46:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:34,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:34,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:34,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:34,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:34,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:34,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:34,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:34,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:34,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:34,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:34,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:34,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:46:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:35,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:35,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:35,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:35,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:35,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:35,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:35,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:35,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:35,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:35,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:35,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:46:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:35,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:35,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:35,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:35,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:35,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:35,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:35,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:46:35,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325007925] [2020-09-24 15:46:35,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:35,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:46:35,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851601790] [2020-09-24 15:46:35,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:46:35,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:35,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:46:35,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:46:35,081 INFO L87 Difference]: Start difference. First operand 711 states and 771 transitions. Second operand 11 states. [2020-09-24 15:46:36,436 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:36,750 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:37,075 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:37,384 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:37,668 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:39,484 INFO L93 Difference]: Finished difference Result 1704 states and 2070 transitions. [2020-09-24 15:46:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:46:39,485 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 232 [2020-09-24 15:46:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:39,492 INFO L225 Difference]: With dead ends: 1704 [2020-09-24 15:46:39,492 INFO L226 Difference]: Without dead ends: 1108 [2020-09-24 15:46:39,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:46:39,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-09-24 15:46:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 723. [2020-09-24 15:46:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-09-24 15:46:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 783 transitions. [2020-09-24 15:46:39,615 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 783 transitions. Word has length 232 [2020-09-24 15:46:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:39,615 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 783 transitions. [2020-09-24 15:46:39,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 783 transitions. [2020-09-24 15:46:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-24 15:46:39,619 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:39,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:39,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:46:39,620 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:39,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:39,620 INFO L82 PathProgramCache]: Analyzing trace with hash -973929242, now seen corresponding path program 1 times [2020-09-24 15:46:39,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:39,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244028854] [2020-09-24 15:46:39,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:39,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:39,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:39,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:46:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:46:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-24 15:46:39,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:39,989 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:40,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:46:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:40,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:40,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:40,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:40,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:40,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:46:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 15:46:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:46:40,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:46:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:46:40,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:46:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:40,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:40,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:46:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:40,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:46:40,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:40,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:46:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:40,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:46:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:46:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:40,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:46:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:40,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:40,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:40,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:40,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:40,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:40,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:40,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:40,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:40,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:40,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:40,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:46:40,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244028854] [2020-09-24 15:46:40,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:40,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:46:40,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484149461] [2020-09-24 15:46:40,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:46:40,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:40,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:46:40,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:46:40,438 INFO L87 Difference]: Start difference. First operand 723 states and 783 transitions. Second operand 9 states. [2020-09-24 15:46:41,073 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:41,750 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:46,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:46,342 INFO L93 Difference]: Finished difference Result 2433 states and 3050 transitions. [2020-09-24 15:46:46,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:46:46,343 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-09-24 15:46:46,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:46,354 INFO L225 Difference]: With dead ends: 2433 [2020-09-24 15:46:46,354 INFO L226 Difference]: Without dead ends: 1825 [2020-09-24 15:46:46,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 50 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=281, Invalid=1051, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:46:46,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2020-09-24 15:46:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1181. [2020-09-24 15:46:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1181 states. [2020-09-24 15:46:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1313 transitions. [2020-09-24 15:46:46,584 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1313 transitions. Word has length 232 [2020-09-24 15:46:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:46,585 INFO L479 AbstractCegarLoop]: Abstraction has 1181 states and 1313 transitions. [2020-09-24 15:46:46,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:46:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1313 transitions. [2020-09-24 15:46:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-24 15:46:46,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:46,590 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:46,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:46:46,591 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash -372571822, now seen corresponding path program 1 times [2020-09-24 15:46:46,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:46,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926547151] [2020-09-24 15:46:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:46,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:46,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:46:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:46:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:46:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:46,981 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:46,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:46,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:46,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:46,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:46,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:46,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:46,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:46,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:46,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:47,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:47,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:47,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:47,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:47,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 15:46:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:47,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 15:46:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:46:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:46:47,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:46:47,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:47,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:46:47,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:46:47,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:46:47,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:46:47,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:47,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:47,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:46:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:46:47,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:46:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:46:47,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:47,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:46:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:46:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:47,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:47,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:46:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:47,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:47,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:46:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 15:46:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:47,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:47,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:47,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:46:47,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926547151] [2020-09-24 15:46:47,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:46:47,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-24 15:46:47,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618318668] [2020-09-24 15:46:47,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-24 15:46:47,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:47,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-24 15:46:47,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:46:47,629 INFO L87 Difference]: Start difference. First operand 1181 states and 1313 transitions. Second operand 19 states. [2020-09-24 15:46:48,322 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:49,553 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:51,210 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:51,570 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:51,925 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:52,280 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:52,594 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191