/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:37,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:37,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:37,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:37,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:37,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:37,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:37,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:37,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:37,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:37,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:37,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:37,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:37,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:37,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:37,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:37,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:37,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:37,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:37,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:37,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:37,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:37,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:37,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:37,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:37,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:37,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:37,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:37,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:37,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:37,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:37,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:37,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:37,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:37,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:37,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:37,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:37,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:37,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:37,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:37,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:37,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:15:37,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:37,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:37,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:37,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:37,675 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:37,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:37,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:37,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:37,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:37,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:37,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:37,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:37,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:37,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:37,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:37,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:37,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:37,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:37,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:37,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:37,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:37,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:37,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:37,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:37,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:15:38,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:38,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:38,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:38,206 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:38,207 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:38,208 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-21 11:15:38,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3aec74cd0/1039f570294046d3b11890dd839aecdb/FLAGb7f388e94 [2020-09-21 11:15:38,939 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:38,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-21 11:15:38,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3aec74cd0/1039f570294046d3b11890dd839aecdb/FLAGb7f388e94 [2020-09-21 11:15:39,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3aec74cd0/1039f570294046d3b11890dd839aecdb [2020-09-21 11:15:39,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:39,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:39,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:39,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:39,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:39,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:39,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39, skipping insertion in model container [2020-09-21 11:15:39,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:39,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:39,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:39,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:39,781 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:39,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:39,938 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:39,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39 WrapperNode [2020-09-21 11:15:39,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:39,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:39,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:39,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:39,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:39,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:39,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:39,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:40,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:40,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:40,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... [2020-09-21 11:15:40,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:40,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:40,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:40,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:40,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:41,379 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:41,380 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:41,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:41 BoogieIcfgContainer [2020-09-21 11:15:41,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:41,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:41,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:41,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:41,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:39" (1/3) ... [2020-09-21 11:15:41,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1a331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:41, skipping insertion in model container [2020-09-21 11:15:41,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:39" (2/3) ... [2020-09-21 11:15:41,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de1a331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:41, skipping insertion in model container [2020-09-21 11:15:41,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:41" (3/3) ... [2020-09-21 11:15:41,396 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-09-21 11:15:41,407 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:41,418 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:41,441 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:41,474 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:41,474 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:41,475 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:41,475 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:41,475 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:41,475 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:41,475 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:41,475 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-09-21 11:15:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:41,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:41,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:41,516 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:41,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2020-09-21 11:15:41,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:41,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485437529] [2020-09-21 11:15:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:41,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:41,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:41,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:41,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:41,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:41,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:15:41,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:41,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,336 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:42,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:42,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:42,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:42,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:42,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:42,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:42,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:42,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:15:42,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:42,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:42,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:42,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:42,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:42,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:42,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:42,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:15:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:42,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485437529] [2020-09-21 11:15:42,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:42,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:42,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324709927] [2020-09-21 11:15:42,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:42,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:42,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:42,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:42,653 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2020-09-21 11:15:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:43,560 INFO L93 Difference]: Finished difference Result 255 states and 332 transitions. [2020-09-21 11:15:43,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:43,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:43,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:43,585 INFO L225 Difference]: With dead ends: 255 [2020-09-21 11:15:43,585 INFO L226 Difference]: Without dead ends: 141 [2020-09-21 11:15:43,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-09-21 11:15:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-09-21 11:15:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-21 11:15:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-09-21 11:15:43,714 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2020-09-21 11:15:43,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:43,714 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-09-21 11:15:43,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-09-21 11:15:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:43,720 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:43,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:43,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:43,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:43,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1025601363, now seen corresponding path program 1 times [2020-09-21 11:15:43,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:43,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156882854] [2020-09-21 11:15:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:43,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:43,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:43,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:43,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:43,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,104 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:44,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:44,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:44,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:44,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:44,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:44,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:44,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:44,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:44,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:44,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:44,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:44,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:44,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:44,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:44,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156882854] [2020-09-21 11:15:44,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:44,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:44,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59785214] [2020-09-21 11:15:44,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:44,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:44,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:44,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:44,244 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-09-21 11:15:44,790 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:45,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:45,577 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2020-09-21 11:15:45,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:45,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:45,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:45,580 INFO L225 Difference]: With dead ends: 200 [2020-09-21 11:15:45,580 INFO L226 Difference]: Without dead ends: 131 [2020-09-21 11:15:45,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:45,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-21 11:15:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-09-21 11:15:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-21 11:15:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-09-21 11:15:45,618 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 60 [2020-09-21 11:15:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:45,619 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-09-21 11:15:45,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-09-21 11:15:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:15:45,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:45,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:45,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:45,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:45,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:45,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2020-09-21 11:15:45,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:45,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487294017] [2020-09-21 11:15:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:45,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:45,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:45,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:45,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:15:45,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:45,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:15:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:15:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,079 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:15:46,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:46,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:46,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:46,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:46,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:46,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:15:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:46,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:46,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487294017] [2020-09-21 11:15:46,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:46,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:46,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634285844] [2020-09-21 11:15:46,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:46,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:46,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:46,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:46,269 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 5 states. [2020-09-21 11:15:46,706 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:47,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:47,392 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-09-21 11:15:47,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:15:47,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:15:47,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:47,397 INFO L225 Difference]: With dead ends: 209 [2020-09-21 11:15:47,397 INFO L226 Difference]: Without dead ends: 131 [2020-09-21 11:15:47,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:47,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-21 11:15:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2020-09-21 11:15:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-21 11:15:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-09-21 11:15:47,429 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 64 [2020-09-21 11:15:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:47,429 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-09-21 11:15:47,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-09-21 11:15:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-21 11:15:47,435 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:47,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:47,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:47,435 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:47,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:47,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2020-09-21 11:15:47,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:47,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086925918] [2020-09-21 11:15:47,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:15:48,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 532 [2020-09-21 11:15:48,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:15:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:15:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,346 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:48,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:15:48,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:48,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:48,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:48,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:48,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:48,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:15:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:48,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:48,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:15:48,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:15:48,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:48,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:15:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:48,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:15:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:48,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:48,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:48,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:48,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:48,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:48,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:48,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:48,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:48,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086925918] [2020-09-21 11:15:48,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:48,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:15:48,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173193773] [2020-09-21 11:15:48,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:15:48,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:48,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:15:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:15:48,610 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-09-21 11:15:49,023 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:50,540 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:15:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:50,942 INFO L93 Difference]: Finished difference Result 299 states and 376 transitions. [2020-09-21 11:15:50,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:15:50,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2020-09-21 11:15:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:50,947 INFO L225 Difference]: With dead ends: 299 [2020-09-21 11:15:50,947 INFO L226 Difference]: Without dead ends: 221 [2020-09-21 11:15:50,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:15:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-09-21 11:15:50,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2020-09-21 11:15:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-21 11:15:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2020-09-21 11:15:50,999 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 72 [2020-09-21 11:15:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:50,999 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2020-09-21 11:15:51,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:15:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2020-09-21 11:15:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-21 11:15:51,002 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:51,002 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:51,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:51,002 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:51,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:51,003 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2020-09-21 11:15:51,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:51,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979058979] [2020-09-21 11:15:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:15:51,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-21 11:15:51,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:15:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,809 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:51,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:15:51,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:51,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:51,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:51,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:51,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:51,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:51,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:51,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:15:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:15:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:15:52,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:15:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:15:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:15:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:15:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:52,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:52,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:52,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:15:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:52,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:15:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:52,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979058979] [2020-09-21 11:15:52,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:52,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:52,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158467831] [2020-09-21 11:15:52,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:52,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:52,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:52,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:52,125 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 9 states. [2020-09-21 11:15:52,620 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:53,318 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:15:54,055 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:54,492 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:54,960 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:55,269 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:55,620 INFO L93 Difference]: Finished difference Result 370 states and 457 transitions. [2020-09-21 11:15:55,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:15:55,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-09-21 11:15:55,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:55,623 INFO L225 Difference]: With dead ends: 370 [2020-09-21 11:15:55,623 INFO L226 Difference]: Without dead ends: 220 [2020-09-21 11:15:55,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:15:55,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-09-21 11:15:55,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 177. [2020-09-21 11:15:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-21 11:15:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2020-09-21 11:15:55,674 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2020-09-21 11:15:55,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:55,675 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2020-09-21 11:15:55,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2020-09-21 11:15:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:15:55,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:55,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:55,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:15:55,677 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:55,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:55,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2020-09-21 11:15:55,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:55,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909928015] [2020-09-21 11:15:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:15:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:15:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 11:15:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:15:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,020 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:56,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:56,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:56,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:15:56,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:15:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:15:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:15:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:15:56,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:15:56,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:15:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:15:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:15:56,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:56,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:15:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:56,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:15:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:56,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:15:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:56,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:56,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:56,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:56,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:56,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:56,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909928015] [2020-09-21 11:15:56,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:56,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:56,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189094144] [2020-09-21 11:15:56,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:56,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:56,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:56,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:56,335 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 9 states. [2020-09-21 11:15:57,854 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:58,169 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:15:58,509 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:58,870 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:15:59,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:59,551 INFO L93 Difference]: Finished difference Result 368 states and 453 transitions. [2020-09-21 11:15:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:15:59,552 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-09-21 11:15:59,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:59,554 INFO L225 Difference]: With dead ends: 368 [2020-09-21 11:15:59,555 INFO L226 Difference]: Without dead ends: 219 [2020-09-21 11:15:59,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:15:59,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-09-21 11:15:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 182. [2020-09-21 11:15:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-21 11:15:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2020-09-21 11:15:59,591 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2020-09-21 11:15:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:59,592 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2020-09-21 11:15:59,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2020-09-21 11:15:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:15:59,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:59,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:59,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:15:59,594 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:59,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:59,594 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2020-09-21 11:15:59,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:59,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460884920] [2020-09-21 11:15:59,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -61 [2020-09-21 11:15:59,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 61 [2020-09-21 11:15:59,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:15:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:59,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:15:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,947 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:59,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:59,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:59,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:00,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:00,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:00,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:00,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:00,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:16:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:00,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460884920] [2020-09-21 11:16:00,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:00,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:00,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343772222] [2020-09-21 11:16:00,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:00,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:00,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:00,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:00,128 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 8 states. [2020-09-21 11:16:01,193 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:01,549 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:01,864 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:02,384 INFO L93 Difference]: Finished difference Result 380 states and 472 transitions. [2020-09-21 11:16:02,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:02,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-09-21 11:16:02,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:02,387 INFO L225 Difference]: With dead ends: 380 [2020-09-21 11:16:02,387 INFO L226 Difference]: Without dead ends: 226 [2020-09-21 11:16:02,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:02,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-21 11:16:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 186. [2020-09-21 11:16:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-21 11:16:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2020-09-21 11:16:02,424 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2020-09-21 11:16:02,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:02,424 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2020-09-21 11:16:02,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2020-09-21 11:16:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:16:02,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:02,426 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:02,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:02,426 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:02,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:02,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2020-09-21 11:16:02,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:02,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931321295] [2020-09-21 11:16:02,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:02,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:02,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:02,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:02,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:16:02,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-21 11:16:02,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:16:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:02,991 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:02,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:03,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:03,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:16:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:03,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:16:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:03,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:03,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:03,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:16:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:03,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931321295] [2020-09-21 11:16:03,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:03,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:16:03,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010820680] [2020-09-21 11:16:03,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:16:03,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:03,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:16:03,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:03,227 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 7 states. [2020-09-21 11:16:03,839 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:04,556 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:06,212 INFO L93 Difference]: Finished difference Result 539 states and 681 transitions. [2020-09-21 11:16:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:16:06,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-09-21 11:16:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:06,217 INFO L225 Difference]: With dead ends: 539 [2020-09-21 11:16:06,217 INFO L226 Difference]: Without dead ends: 381 [2020-09-21 11:16:06,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-09-21 11:16:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 343. [2020-09-21 11:16:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-09-21 11:16:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 404 transitions. [2020-09-21 11:16:06,284 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 404 transitions. Word has length 87 [2020-09-21 11:16:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:06,284 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 404 transitions. [2020-09-21 11:16:06,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:16:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 404 transitions. [2020-09-21 11:16:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:16:06,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:06,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:06,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:06,287 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:06,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:06,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2020-09-21 11:16:06,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:06,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965545785] [2020-09-21 11:16:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:16:06,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-09-21 11:16:06,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:16:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,079 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:16:07,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:07,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:07,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:07,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:07,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:07,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:07,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:07,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:07,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:07,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:16:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:07,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965545785] [2020-09-21 11:16:07,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:07,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:07,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629821222] [2020-09-21 11:16:07,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:07,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:07,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:07,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:07,379 INFO L87 Difference]: Start difference. First operand 343 states and 404 transitions. Second operand 12 states. [2020-09-21 11:16:07,995 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:08,786 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:09,916 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:10,319 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:10,633 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:10,961 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:11,288 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:12,249 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:12,578 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:13,231 INFO L93 Difference]: Finished difference Result 937 states and 1174 transitions. [2020-09-21 11:16:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:16:13,232 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-09-21 11:16:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:13,240 INFO L225 Difference]: With dead ends: 937 [2020-09-21 11:16:13,240 INFO L226 Difference]: Without dead ends: 687 [2020-09-21 11:16:13,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:16:13,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-09-21 11:16:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 580. [2020-09-21 11:16:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-09-21 11:16:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 676 transitions. [2020-09-21 11:16:13,372 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 676 transitions. Word has length 91 [2020-09-21 11:16:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:13,373 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 676 transitions. [2020-09-21 11:16:13,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 676 transitions. [2020-09-21 11:16:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-21 11:16:13,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:13,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:13,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:13,379 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:13,379 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2020-09-21 11:16:13,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:13,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345198673] [2020-09-21 11:16:13,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:13,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -80 [2020-09-21 11:16:13,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 80 [2020-09-21 11:16:13,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-21 11:16:13,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 11:16:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,754 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:13,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:13,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-21 11:16:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:16:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:13,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:13,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:13,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:13,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:13,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:13,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:16:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:13,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:13,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:14,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:16:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:16:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:14,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:16:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-21 11:16:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:14,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:14,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:16:14,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345198673] [2020-09-21 11:16:14,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:14,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:14,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062900062] [2020-09-21 11:16:14,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:14,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:14,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:14,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:14,134 INFO L87 Difference]: Start difference. First operand 580 states and 676 transitions. Second operand 12 states. [2020-09-21 11:16:14,831 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:15,688 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:16,049 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:16,712 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:17,093 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:18,009 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:18,352 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:18,956 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:16:19,312 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:19,858 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:20,744 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:16:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:20,981 INFO L93 Difference]: Finished difference Result 904 states and 1076 transitions. [2020-09-21 11:16:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:16:20,981 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-09-21 11:16:20,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:20,982 INFO L225 Difference]: With dead ends: 904 [2020-09-21 11:16:20,982 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:16:20,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:20,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:16:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:16:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:16:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:16:20,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-09-21 11:16:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:20,987 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:16:20,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:16:20,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:16:20,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:20,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:16:21,370 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-09-21 11:16:21,554 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:21,741 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:21,928 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:22,119 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:23,709 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-09-21 11:16:23,883 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:24,207 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-09-21 11:16:24,381 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:24,568 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:24,772 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:24,942 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:25,115 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:25,288 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:25,464 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:25,663 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-21 11:16:25,863 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-21 11:16:26,034 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:26,206 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:26,370 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:26,546 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:26,716 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:26,881 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:27,047 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:27,192 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:27,357 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:27,531 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:27,695 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:27,871 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:28,038 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:28,202 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:28,359 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:28,659 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-09-21 11:16:28,824 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:29,128 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:29,465 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-21 11:16:29,624 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:29,782 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:29,950 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:30,293 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:30,462 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:30,642 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:30,802 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:31,146 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:31,311 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:31,481 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:31,639 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:31,801 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:31,965 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:32,265 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2020-09-21 11:16:32,604 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-21 11:16:32,901 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:33,065 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:33,229 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:33,566 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-21 11:16:33,723 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:34,020 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:34,185 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:34,527 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-21 11:16:34,695 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193