/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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:16,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:16,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:16,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:16,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:16,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:16,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:16,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:16,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:16,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:16,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:16,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:16,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:16,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:16,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:16,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:16,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:16,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:16,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:16,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:16,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:16,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:16,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:16,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:16,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:16,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:16,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:16,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:16,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:16,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:16,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:16,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:16,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:16,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:16,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:16,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:16,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:16,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:16,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:16,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:16,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:16,963 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 15:45:17,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:17,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:17,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:17,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:17,017 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:17,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:17,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:17,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:17,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:17,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:17,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:17,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:17,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:17,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:17,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:17,021 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:17,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:17,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:17,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:17,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:17,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:17,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:17,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:17,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:17,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:17,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:17,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:17,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:17,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:17,024 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 15:45:17,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:17,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:17,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:17,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:17,494 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:17,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-09-24 15:45:17,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f31ad75/033a138e7f824eb6b3712c02da3986a0/FLAG73ea6bc08 [2020-09-24 15:45:18,217 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:18,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-09-24 15:45:18,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f31ad75/033a138e7f824eb6b3712c02da3986a0/FLAG73ea6bc08 [2020-09-24 15:45:18,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14f31ad75/033a138e7f824eb6b3712c02da3986a0 [2020-09-24 15:45:18,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:18,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:18,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:18,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:18,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:18,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:18" (1/1) ... [2020-09-24 15:45:18,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:18, skipping insertion in model container [2020-09-24 15:45:18,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:18" (1/1) ... [2020-09-24 15:45:18,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:18,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:19,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:19,093 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:19,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:19,243 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:19,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19 WrapperNode [2020-09-24 15:45:19,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:19,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:19,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:19,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:19,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (1/1) ... [2020-09-24 15:45:19,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:19,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:19,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:19,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:19,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (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 15:45:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:45:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:20,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:20,663 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:20,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:20 BoogieIcfgContainer [2020-09-24 15:45:20,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:20,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:20,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:20,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:20,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:18" (1/3) ... [2020-09-24 15:45:20,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a15058c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:20, skipping insertion in model container [2020-09-24 15:45:20,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:19" (2/3) ... [2020-09-24 15:45:20,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a15058c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:20, skipping insertion in model container [2020-09-24 15:45:20,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:20" (3/3) ... [2020-09-24 15:45:20,691 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-09-24 15:45:20,702 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:20,716 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:20,737 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:20,769 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:20,769 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:20,769 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:20,769 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:20,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:20,770 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:20,770 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:20,770 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-24 15:45:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:20,818 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:20,819 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 15:45:20,820 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:20,827 INFO L82 PathProgramCache]: Analyzing trace with hash -149848456, now seen corresponding path program 1 times [2020-09-24 15:45:20,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:20,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974926478] [2020-09-24 15:45:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:21,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:45:21,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:21,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,639 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:21,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:21,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:21,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:21,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:21,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,938 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 15:45:21,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974926478] [2020-09-24 15:45:21,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:21,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:21,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364529933] [2020-09-24 15:45:21,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:21,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:21,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:21,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:21,980 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 4 states. [2020-09-24 15:45:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:23,471 INFO L93 Difference]: Finished difference Result 515 states and 614 transitions. [2020-09-24 15:45:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:23,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:23,496 INFO L225 Difference]: With dead ends: 515 [2020-09-24 15:45:23,496 INFO L226 Difference]: Without dead ends: 326 [2020-09-24 15:45:23,503 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 15:45:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-09-24 15:45:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 274. [2020-09-24 15:45:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-09-24 15:45:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 301 transitions. [2020-09-24 15:45:23,622 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 301 transitions. Word has length 148 [2020-09-24 15:45:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:23,624 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 301 transitions. [2020-09-24 15:45:23,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 301 transitions. [2020-09-24 15:45:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:23,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:23,630 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 15:45:23,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:23,631 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:23,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:23,631 INFO L82 PathProgramCache]: Analyzing trace with hash -807647223, now seen corresponding path program 1 times [2020-09-24 15:45:23,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:23,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372643376] [2020-09-24 15:45:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:23,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:23,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:23,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:23,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:23,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:23,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:23,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:23,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,132 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:24,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:24,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:24,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:45:24,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:24,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:24,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:24,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:24,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:24,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:24,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:24,304 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 15:45:24,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372643376] [2020-09-24 15:45:24,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:24,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:24,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789239703] [2020-09-24 15:45:24,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:24,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:24,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:24,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:24,310 INFO L87 Difference]: Start difference. First operand 274 states and 301 transitions. Second operand 5 states. [2020-09-24 15:45:25,076 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:26,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:26,367 INFO L93 Difference]: Finished difference Result 438 states and 501 transitions. [2020-09-24 15:45:26,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:26,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:26,373 INFO L225 Difference]: With dead ends: 438 [2020-09-24 15:45:26,374 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 15:45:26,376 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 15:45:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 15:45:26,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 264. [2020-09-24 15:45:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 15:45:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 288 transitions. [2020-09-24 15:45:26,421 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 288 transitions. Word has length 149 [2020-09-24 15:45:26,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:26,422 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 288 transitions. [2020-09-24 15:45:26,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 288 transitions. [2020-09-24 15:45:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-24 15:45:26,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:26,425 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] [2020-09-24 15:45:26,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:26,425 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash 603003046, now seen corresponding path program 1 times [2020-09-24 15:45:26,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:26,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612557034] [2020-09-24 15:45:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:26,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:26,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:26,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:26,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 15:45:26,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:45:26,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-24 15:45:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 15:45:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,051 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:27,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:27,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:45:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:27,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:27,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:27,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:27,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:27,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:27,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:27,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 15:45:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,404 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 15:45:27,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612557034] [2020-09-24 15:45:27,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:27,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:27,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694684530] [2020-09-24 15:45:27,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:27,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:27,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:27,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:27,409 INFO L87 Difference]: Start difference. First operand 264 states and 288 transitions. Second operand 5 states. [2020-09-24 15:45:28,048 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:30,134 INFO L93 Difference]: Finished difference Result 626 states and 728 transitions. [2020-09-24 15:45:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:30,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-24 15:45:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:30,141 INFO L225 Difference]: With dead ends: 626 [2020-09-24 15:45:30,141 INFO L226 Difference]: Without dead ends: 477 [2020-09-24 15:45:30,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 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 15:45:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-24 15:45:30,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 407. [2020-09-24 15:45:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-09-24 15:45:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 456 transitions. [2020-09-24 15:45:30,246 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 456 transitions. Word has length 158 [2020-09-24 15:45:30,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:30,247 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 456 transitions. [2020-09-24 15:45:30,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 456 transitions. [2020-09-24 15:45:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:45:30,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:30,251 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] [2020-09-24 15:45:30,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:30,251 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1286470438, now seen corresponding path program 1 times [2020-09-24 15:45:30,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:30,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575461111] [2020-09-24 15:45:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:45:30,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:45:30,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:45:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:45:30,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,754 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:30,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:30,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:30,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:45:30,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:30,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:30,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:30,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:30,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:30,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:30,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:30,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:45:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:30,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:30,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:30,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:45:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:30,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:30,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:45:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:30,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:30,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:30,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:30,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:30,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:31,046 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 15:45:31,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575461111] [2020-09-24 15:45:31,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:31,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:31,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756998377] [2020-09-24 15:45:31,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:31,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:31,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:31,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:31,052 INFO L87 Difference]: Start difference. First operand 407 states and 456 transitions. Second operand 10 states. [2020-09-24 15:45:31,775 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:33,119 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:33,518 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:34,028 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:34,417 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:34,973 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:35,356 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:35,683 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:36,329 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:37,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:37,827 INFO L93 Difference]: Finished difference Result 1121 states and 1357 transitions. [2020-09-24 15:45:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:37,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:37,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:37,842 INFO L225 Difference]: With dead ends: 1121 [2020-09-24 15:45:37,843 INFO L226 Difference]: Without dead ends: 829 [2020-09-24 15:45:37,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2020-09-24 15:45:37,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 666. [2020-09-24 15:45:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-09-24 15:45:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 759 transitions. [2020-09-24 15:45:37,957 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 759 transitions. Word has length 167 [2020-09-24 15:45:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:37,958 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 759 transitions. [2020-09-24 15:45:37,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 759 transitions. [2020-09-24 15:45:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:37,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:37,962 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] [2020-09-24 15:45:37,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:37,962 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:37,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1046559232, now seen corresponding path program 1 times [2020-09-24 15:45:37,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:37,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910100451] [2020-09-24 15:45:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:38,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:45:38,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:45:38,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-24 15:45:38,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:38,478 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:38,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:45:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:38,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:38,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:38,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:38,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 15:45:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:38,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:38,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:38,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:38,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:38,764 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 15:45:38,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910100451] [2020-09-24 15:45:38,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:38,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:38,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168922291] [2020-09-24 15:45:38,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:38,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:38,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:38,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:38,766 INFO L87 Difference]: Start difference. First operand 666 states and 759 transitions. Second operand 11 states. [2020-09-24 15:45:39,299 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:40,818 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,116 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:41,417 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:41,721 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:42,038 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:42,829 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:43,122 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:43,491 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:44,486 INFO L93 Difference]: Finished difference Result 1828 states and 2277 transitions. [2020-09-24 15:45:44,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:45:44,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:45:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:44,500 INFO L225 Difference]: With dead ends: 1828 [2020-09-24 15:45:44,500 INFO L226 Difference]: Without dead ends: 1277 [2020-09-24 15:45:44,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:45:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-09-24 15:45:44,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1020. [2020-09-24 15:45:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2020-09-24 15:45:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1167 transitions. [2020-09-24 15:45:44,732 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1167 transitions. Word has length 172 [2020-09-24 15:45:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:44,733 INFO L479 AbstractCegarLoop]: Abstraction has 1020 states and 1167 transitions. [2020-09-24 15:45:44,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1167 transitions. [2020-09-24 15:45:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:45:44,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:44,742 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] [2020-09-24 15:45:44,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:44,742 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:44,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:44,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1045797835, now seen corresponding path program 1 times [2020-09-24 15:45:44,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:44,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233578504] [2020-09-24 15:45:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:44,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:44,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:44,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:44,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:44,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 15:45:44,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:44,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,150 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:45,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:45,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:45,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:45,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:45,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:45:45,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:45,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:45:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:45,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:45,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:45,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:45,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:45,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:45,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:45,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:45:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:45:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,477 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 15:45:45,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233578504] [2020-09-24 15:45:45,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:45,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:45,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771906255] [2020-09-24 15:45:45,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:45,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:45,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:45,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:45,481 INFO L87 Difference]: Start difference. First operand 1020 states and 1167 transitions. Second operand 11 states. [2020-09-24 15:45:46,916 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:47,218 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:47,563 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:47,914 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:48,272 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:48,581 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:49,938 INFO L93 Difference]: Finished difference Result 2276 states and 2822 transitions. [2020-09-24 15:45:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:45:49,940 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 223 [2020-09-24 15:45:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:49,949 INFO L225 Difference]: With dead ends: 2276 [2020-09-24 15:45:49,950 INFO L226 Difference]: Without dead ends: 1371 [2020-09-24 15:45:49,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:45:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-09-24 15:45:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1058. [2020-09-24 15:45:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-24 15:45:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1207 transitions. [2020-09-24 15:45:50,160 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1207 transitions. Word has length 223 [2020-09-24 15:45:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:50,161 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1207 transitions. [2020-09-24 15:45:50,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1207 transitions. [2020-09-24 15:45:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:45:50,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:50,167 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] [2020-09-24 15:45:50,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:50,167 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:50,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:50,168 INFO L82 PathProgramCache]: Analyzing trace with hash -378051435, now seen corresponding path program 1 times [2020-09-24 15:45:50,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:50,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454178938] [2020-09-24 15:45:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:50,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -78 [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 78 [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:45:50,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-24 15:45:50,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,508 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:50,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:50,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:50,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:50,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:50,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:50,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:50,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:50,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:50,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:50,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:45:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:50,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:50,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:45:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:50,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:45:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:50,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:50,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:50,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:50,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:50,921 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 15:45:50,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454178938] [2020-09-24 15:45:50,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:50,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:50,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489804522] [2020-09-24 15:45:50,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:50,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:50,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:50,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:50,925 INFO L87 Difference]: Start difference. First operand 1058 states and 1207 transitions. Second operand 10 states. [2020-09-24 15:45:52,170 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:52,494 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:52,863 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:53,213 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:53,503 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:54,938 INFO L93 Difference]: Finished difference Result 2350 states and 2898 transitions. [2020-09-24 15:45:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:45:54,939 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2020-09-24 15:45:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:54,947 INFO L225 Difference]: With dead ends: 2350 [2020-09-24 15:45:54,948 INFO L226 Difference]: Without dead ends: 1407 [2020-09-24 15:45:54,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:45:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2020-09-24 15:45:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1082. [2020-09-24 15:45:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-09-24 15:45:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1231 transitions. [2020-09-24 15:45:55,095 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1231 transitions. Word has length 223 [2020-09-24 15:45:55,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:55,096 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1231 transitions. [2020-09-24 15:45:55,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1231 transitions. [2020-09-24 15:45:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 15:45:55,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:55,100 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] [2020-09-24 15:45:55,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:55,101 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:55,101 INFO L82 PathProgramCache]: Analyzing trace with hash 349053842, now seen corresponding path program 1 times [2020-09-24 15:45:55,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:55,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085977145] [2020-09-24 15:45:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 15:45:55,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:45:55,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:45:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,531 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:55,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:55,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:55,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:55,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:55,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:45:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:45:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:45:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:45:55,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:55,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:55,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:45:55,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:55,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:45:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:45:55,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:45:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:55,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:45:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:55,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:55,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:45:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:55,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:55,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:55,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:45:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:55,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:55,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:55,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:55,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:55,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:55,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:55,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:55,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:55,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:55,868 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 15:45:55,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085977145] [2020-09-24 15:45:55,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:55,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:55,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385231751] [2020-09-24 15:45:55,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:55,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:55,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:55,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:55,871 INFO L87 Difference]: Start difference. First operand 1082 states and 1231 transitions. Second operand 8 states. [2020-09-24 15:45:56,384 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:57,044 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:00,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:00,363 INFO L93 Difference]: Finished difference Result 3447 states and 4289 transitions. [2020-09-24 15:46:00,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:46:00,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-09-24 15:46:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:00,378 INFO L225 Difference]: With dead ends: 3447 [2020-09-24 15:46:00,378 INFO L226 Difference]: Without dead ends: 2480 [2020-09-24 15:46:00,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:46:00,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2020-09-24 15:46:00,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2034. [2020-09-24 15:46:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2034 states. [2020-09-24 15:46:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2341 transitions. [2020-09-24 15:46:00,657 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2341 transitions. Word has length 223 [2020-09-24 15:46:00,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:00,658 INFO L479 AbstractCegarLoop]: Abstraction has 2034 states and 2341 transitions. [2020-09-24 15:46:00,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:46:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2341 transitions. [2020-09-24 15:46:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-24 15:46:00,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:00,665 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] [2020-09-24 15:46:00,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:46:00,666 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:00,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:00,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1141357458, now seen corresponding path program 1 times [2020-09-24 15:46:00,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:00,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309622275] [2020-09-24 15:46:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -52 [2020-09-24 15:46:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 52 [2020-09-24 15:46:00,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 15:46:00,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:46:00,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-24 15:46:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:46:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,115 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:01,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:46:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 15:46:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:46:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:46:01,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:46:01,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:46:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:01,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:01,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:46:01,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:46:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:46:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:46:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:46:01,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:46:01,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:46:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:46:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:46:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:01,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:46:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:01,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:46:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:01,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:46:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,592 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 15:46:01,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309622275] [2020-09-24 15:46:01,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:46:01,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:46:01,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221031550] [2020-09-24 15:46:01,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:46:01,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:01,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:46:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:46:01,594 INFO L87 Difference]: Start difference. First operand 2034 states and 2341 transitions. Second operand 17 states. [2020-09-24 15:46:02,209 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:03,268 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:04,005 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:04,384 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:04,829 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:05,162 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:06,748 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:07,148 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:07,488 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:07,793 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:08,117 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:08,527 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:08,843 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:09,159 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:09,811 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-24 15:46:10,523 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:46:11,098 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-24 15:46:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:13,046 INFO L93 Difference]: Finished difference Result 4323 states and 5183 transitions. [2020-09-24 15:46:13,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-09-24 15:46:13,047 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 228 [2020-09-24 15:46:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:13,068 INFO L225 Difference]: With dead ends: 4323 [2020-09-24 15:46:13,069 INFO L226 Difference]: Without dead ends: 2404 [2020-09-24 15:46:13,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=743, Invalid=2797, Unknown=0, NotChecked=0, Total=3540 [2020-09-24 15:46:13,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-09-24 15:46:13,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 1986. [2020-09-24 15:46:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2020-09-24 15:46:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2283 transitions. [2020-09-24 15:46:13,381 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2283 transitions. Word has length 228 [2020-09-24 15:46:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:13,382 INFO L479 AbstractCegarLoop]: Abstraction has 1986 states and 2283 transitions. [2020-09-24 15:46:13,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:46:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2283 transitions. [2020-09-24 15:46:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-24 15:46:13,388 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:13,388 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:13,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:46:13,389 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:13,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:13,389 INFO L82 PathProgramCache]: Analyzing trace with hash 566837308, now seen corresponding path program 1 times [2020-09-24 15:46:13,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:13,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868530307] [2020-09-24 15:46:13,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-09-24 15:46:13,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:46:13,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:13,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,737 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:13,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:13,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:13,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:13,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:13,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:13,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:13,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:13,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:13,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:13,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:13,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:13,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2