/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:08:04,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:08:04,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:08:04,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:08:04,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:08:04,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:08:04,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:08:04,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:08:04,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:08:04,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:08:04,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:08:04,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:08:04,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:08:04,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:08:04,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:08:04,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:08:04,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:08:04,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:08:04,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:08:04,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:08:04,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:08:04,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:08:04,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:08:04,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:08:04,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:08:04,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:08:04,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:08:04,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:08:04,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:08:04,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:08:04,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:08:04,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:08:04,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:08:04,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:08:04,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:08:04,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:08:04,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:08:04,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:08:04,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:08:04,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:08:04,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:08:04,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:08:04,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:08:04,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:08:04,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:08:04,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:08:04,158 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:08:04,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:08:04,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:08:04,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:08:04,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:08:04,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:08:04,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:08:04,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:08:04,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:08:04,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:08:04,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:08:04,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:08:04,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:08:04,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:08:04,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:08:04,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:08:04,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:08:04,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:04,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:08:04,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:08:04,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:08:04,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:08:04,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:08:04,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:08:04,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:08:04,616 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:08:04,617 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-21 11:08:04,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63de2a03d/a85830a115814a479bf69c2bb58688b9/FLAG675b6d8b7 [2020-09-21 11:08:05,314 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:08:05,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-21 11:08:05,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63de2a03d/a85830a115814a479bf69c2bb58688b9/FLAG675b6d8b7 [2020-09-21 11:08:05,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63de2a03d/a85830a115814a479bf69c2bb58688b9 [2020-09-21 11:08:05,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:08:05,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:08:05,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:05,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:08:05,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:08:05,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:05" (1/1) ... [2020-09-21 11:08:05,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:05, skipping insertion in model container [2020-09-21 11:08:05,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:05" (1/1) ... [2020-09-21 11:08:05,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:08:05,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:08:06,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:06,086 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:08:06,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:06,217 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:08:06,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06 WrapperNode [2020-09-21 11:08:06,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:06,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:08:06,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:08:06,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:08:06,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... [2020-09-21 11:08:06,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:08:06,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:08:06,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:08:06,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:08:06,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:08:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:08:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:08:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:08:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:08:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:08:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:08:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:08:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:08:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:08:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:08:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:08:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:08:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:08:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:08:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:08:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:08:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:08:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:08:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:08:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:08:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:08:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:08:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:08:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:08:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:08:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:08:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:08:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:08:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:08:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:08:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:08:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:08:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:08:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:08:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:08:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:08:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:08:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:08:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:08:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:08:06,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:08:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:08:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:08:07,436 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:08:07,437 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:08:07,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:07 BoogieIcfgContainer [2020-09-21 11:08:07,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:08:07,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:08:07,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:08:07,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:08:07,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:08:05" (1/3) ... [2020-09-21 11:08:07,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6059f922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:07, skipping insertion in model container [2020-09-21 11:08:07,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:06" (2/3) ... [2020-09-21 11:08:07,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6059f922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:07, skipping insertion in model container [2020-09-21 11:08:07,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:07" (3/3) ... [2020-09-21 11:08:07,452 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-09-21 11:08:07,463 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:08:07,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:08:07,495 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:08:07,523 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:08:07,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:08:07,523 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:08:07,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:08:07,524 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:08:07,524 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:08:07,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:08:07,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:08:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-09-21 11:08:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:08:07,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:07,564 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] [2020-09-21 11:08:07,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:07,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-09-21 11:08:07,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:07,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599583517] [2020-09-21 11:08:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:07,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:07,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:07,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:07,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:07,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:08:07,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:07,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:08:07,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:08:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:08,425 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:08,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:08,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:08,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:08,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:08:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:08,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:08,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:08,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:08,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:08,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:08,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:08,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:08,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599583517] [2020-09-21 11:08:08,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:08,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:08:08,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969834822] [2020-09-21 11:08:08,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:08:08,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:08,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:08:08,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:08,635 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-09-21 11:08:09,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:09,715 INFO L93 Difference]: Finished difference Result 311 states and 408 transitions. [2020-09-21 11:08:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:08:09,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:08:09,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:09,735 INFO L225 Difference]: With dead ends: 311 [2020-09-21 11:08:09,735 INFO L226 Difference]: Without dead ends: 174 [2020-09-21 11:08:09,740 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 [2020-09-21 11:08:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-09-21 11:08:09,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 138. [2020-09-21 11:08:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:08:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-09-21 11:08:09,848 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-09-21 11:08:09,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:09,848 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-09-21 11:08:09,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:08:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-09-21 11:08:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:08:09,852 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:09,853 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] [2020-09-21 11:08:09,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:08:09,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:09,854 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-09-21 11:08:09,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:09,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184969531] [2020-09-21 11:08:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:09,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:09,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:09,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:08:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:08:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,228 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:10,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:10,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:10,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:10,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:10,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:10,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:10,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:10,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:10,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184969531] [2020-09-21 11:08:10,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:10,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:10,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751025586] [2020-09-21 11:08:10,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:10,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:10,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:10,330 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 5 states. [2020-09-21 11:08:10,812 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:11,904 INFO L93 Difference]: Finished difference Result 246 states and 307 transitions. [2020-09-21 11:08:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:11,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:08:11,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:11,909 INFO L225 Difference]: With dead ends: 246 [2020-09-21 11:08:11,909 INFO L226 Difference]: Without dead ends: 164 [2020-09-21 11:08:11,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-21 11:08:11,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-09-21 11:08:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-21 11:08:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-09-21 11:08:11,953 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-09-21 11:08:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:11,954 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-09-21 11:08:11,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-09-21 11:08:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:08:11,956 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:11,957 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] [2020-09-21 11:08:11,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:08:11,957 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:11,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:11,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-09-21 11:08:11,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:11,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267610570] [2020-09-21 11:08:11,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:12,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:08:12,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-21 11:08:12,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:08:12,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,622 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:08:12,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:12,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:12,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:12,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:12,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:12,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:12,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:12,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:12,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:12,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:12,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:12,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:12,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:12,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267610570] [2020-09-21 11:08:12,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:12,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:12,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938715570] [2020-09-21 11:08:12,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:12,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:12,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:12,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:12,787 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 5 states. [2020-09-21 11:08:13,179 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:15,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:15,090 INFO L93 Difference]: Finished difference Result 377 states and 475 transitions. [2020-09-21 11:08:15,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:15,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:08:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:15,094 INFO L225 Difference]: With dead ends: 377 [2020-09-21 11:08:15,095 INFO L226 Difference]: Without dead ends: 276 [2020-09-21 11:08:15,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:15,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-21 11:08:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 220. [2020-09-21 11:08:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-21 11:08:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-09-21 11:08:15,168 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-09-21 11:08:15,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:15,168 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-09-21 11:08:15,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-09-21 11:08:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:08:15,171 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:15,172 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] [2020-09-21 11:08:15,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:08:15,172 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:15,173 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-09-21 11:08:15,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:15,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56831816] [2020-09-21 11:08:15,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:08:15,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-21 11:08:15,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:08:15,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:15,924 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:15,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:08:15,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:16,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:08:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:08:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:16,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:08:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:16,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56831816] [2020-09-21 11:08:16,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:16,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:16,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035632893] [2020-09-21 11:08:16,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:16,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:16,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:16,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:16,135 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 9 states. [2020-09-21 11:08:16,656 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:17,921 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:18,336 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:18,651 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:19,017 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:20,749 INFO L93 Difference]: Finished difference Result 710 states and 944 transitions. [2020-09-21 11:08:20,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:08:20,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:08:20,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:20,756 INFO L225 Difference]: With dead ends: 710 [2020-09-21 11:08:20,756 INFO L226 Difference]: Without dead ends: 518 [2020-09-21 11:08:20,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:08:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-21 11:08:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 395. [2020-09-21 11:08:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-21 11:08:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 480 transitions. [2020-09-21 11:08:20,884 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 480 transitions. Word has length 62 [2020-09-21 11:08:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:20,885 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 480 transitions. [2020-09-21 11:08:20,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 480 transitions. [2020-09-21 11:08:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:08:20,889 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:20,889 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] [2020-09-21 11:08:20,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:08:20,890 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:20,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1361940215, now seen corresponding path program 1 times [2020-09-21 11:08:20,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:20,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597212298] [2020-09-21 11:08:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:08:21,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-09-21 11:08:21,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:08:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:08:21,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:21,811 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:08:21,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:21,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:21,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:21,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:21,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:21,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:21,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:21,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:21,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:21,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:21,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:21,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:21,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:22,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:08:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:22,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:08:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:08:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:22,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:22,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:22,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:22,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597212298] [2020-09-21 11:08:22,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:22,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:22,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870295242] [2020-09-21 11:08:22,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:22,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:22,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:22,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:22,088 INFO L87 Difference]: Start difference. First operand 395 states and 480 transitions. Second operand 10 states. [2020-09-21 11:08:22,623 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:23,915 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:24,260 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:24,630 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:25,473 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:27,092 INFO L93 Difference]: Finished difference Result 1189 states and 1636 transitions. [2020-09-21 11:08:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 11:08:27,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 11:08:27,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:27,103 INFO L225 Difference]: With dead ends: 1189 [2020-09-21 11:08:27,104 INFO L226 Difference]: Without dead ends: 822 [2020-09-21 11:08:27,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-09-21 11:08:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 639. [2020-09-21 11:08:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-09-21 11:08:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 778 transitions. [2020-09-21 11:08:27,280 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 778 transitions. Word has length 66 [2020-09-21 11:08:27,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:27,281 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 778 transitions. [2020-09-21 11:08:27,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 778 transitions. [2020-09-21 11:08:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:08:27,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:27,284 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] [2020-09-21 11:08:27,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:27,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:27,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:27,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1572074791, now seen corresponding path program 1 times [2020-09-21 11:08:27,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:27,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321317798] [2020-09-21 11:08:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:27,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:27,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:27,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:08:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-21 11:08:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:08:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:27,884 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:27,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:27,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:27,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:27,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:27,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:27,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:08:27,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:27,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:27,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:27,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:27,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:27,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:27,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:27,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:27,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:28,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:28,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:28,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 11:08:28,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:28,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:28,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:08:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:28,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:28,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:28,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,159 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:28,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:28,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:08:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:28,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:28,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:28,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321317798] [2020-09-21 11:08:28,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:28,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:28,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600847444] [2020-09-21 11:08:28,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:28,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:28,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:28,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:28,217 INFO L87 Difference]: Start difference. First operand 639 states and 778 transitions. Second operand 10 states. [2020-09-21 11:08:28,811 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:30,148 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:30,477 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:30,833 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:31,180 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:33,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:33,539 INFO L93 Difference]: Finished difference Result 2107 states and 2985 transitions. [2020-09-21 11:08:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:33,539 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-09-21 11:08:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:33,550 INFO L225 Difference]: With dead ends: 2107 [2020-09-21 11:08:33,551 INFO L226 Difference]: Without dead ends: 1496 [2020-09-21 11:08:33,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:08:33,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-09-21 11:08:33,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1139. [2020-09-21 11:08:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2020-09-21 11:08:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1382 transitions. [2020-09-21 11:08:33,806 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1382 transitions. Word has length 89 [2020-09-21 11:08:33,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:33,807 INFO L479 AbstractCegarLoop]: Abstraction has 1139 states and 1382 transitions. [2020-09-21 11:08:33,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1382 transitions. [2020-09-21 11:08:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:08:33,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:33,812 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] [2020-09-21 11:08:33,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:33,812 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:33,813 INFO L82 PathProgramCache]: Analyzing trace with hash -153406106, now seen corresponding path program 1 times [2020-09-21 11:08:33,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:33,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477265893] [2020-09-21 11:08:33,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:33,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:33,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:33,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:33,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:33,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 11:08:33,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,126 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:34,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:34,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:34,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:34,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:34,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:08:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:34,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:34,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:34,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:34,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:34,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477265893] [2020-09-21 11:08:34,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:34,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:34,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129844336] [2020-09-21 11:08:34,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:34,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:34,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:34,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:34,351 INFO L87 Difference]: Start difference. First operand 1139 states and 1382 transitions. Second operand 10 states. [2020-09-21 11:08:35,695 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:36,039 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:36,372 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:36,668 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:38,054 INFO L93 Difference]: Finished difference Result 2607 states and 3456 transitions. [2020-09-21 11:08:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:38,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-09-21 11:08:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:38,065 INFO L225 Difference]: With dead ends: 2607 [2020-09-21 11:08:38,065 INFO L226 Difference]: Without dead ends: 1496 [2020-09-21 11:08:38,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:08:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2020-09-21 11:08:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1179. [2020-09-21 11:08:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2020-09-21 11:08:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1422 transitions. [2020-09-21 11:08:38,268 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1422 transitions. Word has length 89 [2020-09-21 11:08:38,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:38,269 INFO L479 AbstractCegarLoop]: Abstraction has 1179 states and 1422 transitions. [2020-09-21 11:08:38,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1422 transitions. [2020-09-21 11:08:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:08:38,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:38,272 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] [2020-09-21 11:08:38,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:38,273 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:38,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:38,273 INFO L82 PathProgramCache]: Analyzing trace with hash 548193768, now seen corresponding path program 1 times [2020-09-21 11:08:38,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:38,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625597690] [2020-09-21 11:08:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:38,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -61 [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 61 [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:38,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:08:38,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,617 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:38,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:08:38,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:38,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:08:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:38,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:38,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:38,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:38,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:08:38,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:08:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:38,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625597690] [2020-09-21 11:08:38,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:38,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:38,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355963482] [2020-09-21 11:08:38,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:38,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:38,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:38,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:38,839 INFO L87 Difference]: Start difference. First operand 1179 states and 1422 transitions. Second operand 9 states. [2020-09-21 11:08:39,959 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:40,297 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:40,632 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:41,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:41,906 INFO L93 Difference]: Finished difference Result 2327 states and 3059 transitions. [2020-09-21 11:08:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:41,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-09-21 11:08:41,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:41,916 INFO L225 Difference]: With dead ends: 2327 [2020-09-21 11:08:41,916 INFO L226 Difference]: Without dead ends: 1176 [2020-09-21 11:08:41,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:41,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-09-21 11:08:42,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 947. [2020-09-21 11:08:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2020-09-21 11:08:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1112 transitions. [2020-09-21 11:08:42,142 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1112 transitions. Word has length 89 [2020-09-21 11:08:42,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:42,143 INFO L479 AbstractCegarLoop]: Abstraction has 947 states and 1112 transitions. [2020-09-21 11:08:42,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1112 transitions. [2020-09-21 11:08:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:08:42,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:42,147 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] [2020-09-21 11:08:42,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:42,148 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:42,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:42,148 INFO L82 PathProgramCache]: Analyzing trace with hash 81932175, now seen corresponding path program 1 times [2020-09-21 11:08:42,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:42,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424578746] [2020-09-21 11:08:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:08:42,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:08:42,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:08:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 11:08:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,558 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:42,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:08:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:42,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:42,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:08:42,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:08:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:08:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:42,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:42,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424578746] [2020-09-21 11:08:42,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:42,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:42,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340524799] [2020-09-21 11:08:42,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:42,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:42,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:42,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:42,780 INFO L87 Difference]: Start difference. First operand 947 states and 1112 transitions. Second operand 8 states. [2020-09-21 11:08:43,167 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:46,074 INFO L93 Difference]: Finished difference Result 1929 states and 2554 transitions. [2020-09-21 11:08:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:08:46,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-09-21 11:08:46,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:46,087 INFO L225 Difference]: With dead ends: 1929 [2020-09-21 11:08:46,087 INFO L226 Difference]: Without dead ends: 1926 [2020-09-21 11:08:46,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:08:46,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-09-21 11:08:46,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1512. [2020-09-21 11:08:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2020-09-21 11:08:46,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1815 transitions. [2020-09-21 11:08:46,440 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1815 transitions. Word has length 93 [2020-09-21 11:08:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:46,444 INFO L479 AbstractCegarLoop]: Abstraction has 1512 states and 1815 transitions. [2020-09-21 11:08:46,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1815 transitions. [2020-09-21 11:08:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 11:08:46,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:46,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:46,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:08:46,452 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:46,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:46,453 INFO L82 PathProgramCache]: Analyzing trace with hash -896202634, now seen corresponding path program 1 times [2020-09-21 11:08:46,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:46,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800134736] [2020-09-21 11:08:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 11:08:46,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 11:08:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:08:46,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,770 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:46,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:08:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:46,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:08:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:08:46,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:08:46,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:08:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:46,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:08:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:46,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:47,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:47,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:47,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:08:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:08:47,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:08:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:47,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:08:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:47,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:47,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:08:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:08:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:47,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:08:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:47,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:47,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:47,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:47,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:47,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:08:47,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800134736] [2020-09-21 11:08:47,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:47,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:08:47,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272079982] [2020-09-21 11:08:47,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:08:47,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:47,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:08:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:08:47,104 INFO L87 Difference]: Start difference. First operand 1512 states and 1815 transitions. Second operand 11 states. [2020-09-21 11:08:47,486 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:48,398 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:51,321 INFO L93 Difference]: Finished difference Result 2842 states and 3602 transitions. [2020-09-21 11:08:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:08:51,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2020-09-21 11:08:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:51,331 INFO L225 Difference]: With dead ends: 2842 [2020-09-21 11:08:51,331 INFO L226 Difference]: Without dead ends: 1358 [2020-09-21 11:08:51,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=378, Invalid=1602, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:08:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2020-09-21 11:08:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 944. [2020-09-21 11:08:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-09-21 11:08:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1106 transitions. [2020-09-21 11:08:51,559 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1106 transitions. Word has length 133 [2020-09-21 11:08:51,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:51,560 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1106 transitions. [2020-09-21 11:08:51,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:08:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1106 transitions. [2020-09-21 11:08:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 11:08:51,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:51,567 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:51,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:08:51,568 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:51,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:51,568 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-09-21 11:08:51,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:51,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262107831] [2020-09-21 11:08:51,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:51,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:08:51,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:08:51,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:08:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:08:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,002 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:52,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:08:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:08:52,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:08:52,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:08:52,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:08:52,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:08:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:08:52,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:08:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:08:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:52,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:52,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-21 11:08:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:08:52,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:52,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:52,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:08:52,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:08:52,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:52,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:08:52,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:52,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:52,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:08:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:08:52,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:52,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-21 11:08:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:52,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-21 11:08:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:52,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:52,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:52,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:52,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:52,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:52,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:52,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:52,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:52,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-21 11:08:52,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262107831] [2020-09-21 11:08:52,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:52,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:08:52,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554180030] [2020-09-21 11:08:52,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:08:52,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:52,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:08:52,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:08:52,542 INFO L87 Difference]: Start difference. First operand 944 states and 1106 transitions. Second operand 15 states. [2020-09-21 11:08:53,144 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:54,133 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:54,896 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,336 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,219 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,531 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:58,853 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:59,171 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:59,471 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:59,774 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:00,115 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:00,432 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:01,728 INFO L93 Difference]: Finished difference Result 2097 states and 2610 transitions. [2020-09-21 11:09:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-21 11:09:01,729 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 152 [2020-09-21 11:09:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:01,736 INFO L225 Difference]: With dead ends: 2097 [2020-09-21 11:09:01,736 INFO L226 Difference]: Without dead ends: 1181 [2020-09-21 11:09:01,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=514, Invalid=2138, Unknown=0, NotChecked=0, Total=2652 [2020-09-21 11:09:01,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2020-09-21 11:09:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 926. [2020-09-21 11:09:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 11:09:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1069 transitions. [2020-09-21 11:09:01,929 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1069 transitions. Word has length 152 [2020-09-21 11:09:01,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:01,929 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1069 transitions. [2020-09-21 11:09:01,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:09:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1069 transitions. [2020-09-21 11:09:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 11:09:01,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:01,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:09:01,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:09:01,936 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:01,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1034293868, now seen corresponding path program 1 times [2020-09-21 11:09:01,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:01,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339638035] [2020-09-21 11:09:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:02,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:02,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -80 [2020-09-21 11:09:02,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 80 [2020-09-21 11:09:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 11:09:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:09:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:09:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0