/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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:17:41,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:17:41,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:17:41,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:17:41,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:17:41,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:17:41,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:17:41,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:17:41,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:17:41,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:17:41,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:17:41,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:17:41,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:17:41,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:17:41,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:17:41,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:17:41,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:17:41,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:17:41,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:17:41,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:17:41,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:17:41,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:17:41,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:17:41,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:17:41,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:17:41,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:17:41,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:17:41,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:17:41,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:17:41,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:17:41,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:17:41,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:17:41,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:17:41,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:17:41,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:17:41,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:17:41,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:17:41,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:17:41,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:17:41,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:17:41,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:17:41,162 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 11:17:41,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:17:41,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:17:41,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:17:41,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:17:41,215 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:17:41,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:17:41,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:17:41,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:17:41,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:17:41,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:17:41,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:17:41,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:17:41,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:17:41,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:17:41,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:17:41,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:17:41,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:17:41,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:17:41,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:17:41,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:17:41,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:17:41,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:17:41,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:17:41,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:17:41,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:17:41,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:17:41,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:17:41,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:17:41,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:17:41,221 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 11:17:41,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:17:41,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:17:41,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:17:41,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:17:41,721 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:17:41,722 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-21 11:17:41,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e417e784/07ffc89a5a14444b89c2f547e181af87/FLAG64745a6c9 [2020-09-21 11:17:42,413 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:17:42,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-09-21 11:17:42,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e417e784/07ffc89a5a14444b89c2f547e181af87/FLAG64745a6c9 [2020-09-21 11:17:42,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e417e784/07ffc89a5a14444b89c2f547e181af87 [2020-09-21 11:17:42,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:17:42,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:17:42,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:42,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:17:42,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:17:42,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:42" (1/1) ... [2020-09-21 11:17:42,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:42, skipping insertion in model container [2020-09-21 11:17:42,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:42" (1/1) ... [2020-09-21 11:17:42,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:17:42,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:17:43,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:43,186 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:17:43,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:43,478 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:17:43,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43 WrapperNode [2020-09-21 11:17:43,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:43,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:17:43,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:17:43,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:17:43,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (1/1) ... [2020-09-21 11:17:43,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:17:43,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:17:43,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:17:43,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:17:43,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (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 11:17:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:17:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:17:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:17:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:17:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:17:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:17:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:17:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:17:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:17:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:17:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:17:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:17:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:17:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:17:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:17:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:17:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:17:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:17:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:17:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:17:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:17:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:17:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:17:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:17:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:17:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:17:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:17:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:17:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:17:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:17:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:17:44,711 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:17:44,711 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:17:44,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:44 BoogieIcfgContainer [2020-09-21 11:17:44,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:17:44,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:17:44,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:17:44,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:17:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:17:42" (1/3) ... [2020-09-21 11:17:44,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7269fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:44, skipping insertion in model container [2020-09-21 11:17:44,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:43" (2/3) ... [2020-09-21 11:17:44,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7269fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:44, skipping insertion in model container [2020-09-21 11:17:44,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:44" (3/3) ... [2020-09-21 11:17:44,727 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-09-21 11:17:44,739 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:17:44,750 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:17:44,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:17:44,807 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:17:44,808 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:17:44,808 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:17:44,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:17:44,808 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:17:44,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:17:44,809 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:17:44,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:17:44,837 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2020-09-21 11:17:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:17:44,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:44,852 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 11:17:44,853 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:44,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2020-09-21 11:17:44,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:44,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733231669] [2020-09-21 11:17:44,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:17:45,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:17:45,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:17:45,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,693 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:45,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:45,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:45,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:45,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:17:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:45,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:45,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:45,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:45,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:45,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:45,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:45,949 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 11:17:45,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733231669] [2020-09-21 11:17:45,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:45,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:17:45,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782799309] [2020-09-21 11:17:45,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:17:45,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:45,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:17:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:45,983 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 4 states. [2020-09-21 11:17:47,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:47,405 INFO L93 Difference]: Finished difference Result 372 states and 477 transitions. [2020-09-21 11:17:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:17:47,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:17:47,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:47,442 INFO L225 Difference]: With dead ends: 372 [2020-09-21 11:17:47,442 INFO L226 Difference]: Without dead ends: 204 [2020-09-21 11:17:47,451 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 11:17:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-09-21 11:17:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 169. [2020-09-21 11:17:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-09-21 11:17:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2020-09-21 11:17:47,655 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2020-09-21 11:17:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:47,656 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2020-09-21 11:17:47,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:17:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2020-09-21 11:17:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:17:47,671 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:47,671 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 11:17:47,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:17:47,672 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:47,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:47,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2020-09-21 11:17:47,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:47,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487710782] [2020-09-21 11:17:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:47,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:17:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,157 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:17:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,277 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 11:17:48,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487710782] [2020-09-21 11:17:48,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:48,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:48,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062685549] [2020-09-21 11:17:48,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:48,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:48,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:48,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:48,281 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 5 states. [2020-09-21 11:17:48,844 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:50,136 INFO L93 Difference]: Finished difference Result 311 states and 381 transitions. [2020-09-21 11:17:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:50,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:17:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:50,141 INFO L225 Difference]: With dead ends: 311 [2020-09-21 11:17:50,141 INFO L226 Difference]: Without dead ends: 194 [2020-09-21 11:17:50,143 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 11:17:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-21 11:17:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 160. [2020-09-21 11:17:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 11:17:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2020-09-21 11:17:50,188 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2020-09-21 11:17:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:50,189 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2020-09-21 11:17:50,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2020-09-21 11:17:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:17:50,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:50,191 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 11:17:50,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:50,192 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2020-09-21 11:17:50,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:50,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279905549] [2020-09-21 11:17:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:50,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:17:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-21 11:17:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:17:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:17:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,993 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 11:17:51,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:51,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:51,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:51,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:51,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:51,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:51,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:17:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:51,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:51,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:51,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:51,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:51,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:51,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:51,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:51,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:51,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:51,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:51,250 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 11:17:51,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279905549] [2020-09-21 11:17:51,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:51,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:51,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678031683] [2020-09-21 11:17:51,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:51,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:51,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:51,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:51,254 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 5 states. [2020-09-21 11:17:51,627 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:53,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:53,699 INFO L93 Difference]: Finished difference Result 470 states and 581 transitions. [2020-09-21 11:17:53,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:53,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:17:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:53,705 INFO L225 Difference]: With dead ends: 470 [2020-09-21 11:17:53,706 INFO L226 Difference]: Without dead ends: 338 [2020-09-21 11:17:53,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 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 11:17:53,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-09-21 11:17:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 286. [2020-09-21 11:17:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-21 11:17:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2020-09-21 11:17:53,779 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 64 [2020-09-21 11:17:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:53,780 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2020-09-21 11:17:53,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2020-09-21 11:17:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:17:53,782 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:53,782 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] [2020-09-21 11:17:53,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:53,783 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:53,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:53,783 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2020-09-21 11:17:53,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:53,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995006020] [2020-09-21 11:17:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:17:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-09-21 11:17:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:17:54,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:54,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:17:54,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:54,806 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:54,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:54,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 11:17:54,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:54,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:54,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:54,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:54,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:54,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:54,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:54,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:54,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:54,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:54,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:54,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:54,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:54,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:55,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:55,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:55,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:55,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:55,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:55,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:55,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:55,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:55,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:55,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:55,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:17:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:55,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:55,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:55,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:55,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:55,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:55,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:55,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:55,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:55,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:55,131 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 11:17:55,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995006020] [2020-09-21 11:17:55,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:55,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:55,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533091950] [2020-09-21 11:17:55,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:55,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:55,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:55,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:55,136 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand 9 states. [2020-09-21 11:17:55,731 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:56,509 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:57,675 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:58,064 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:58,581 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:58,894 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:59,591 INFO L93 Difference]: Finished difference Result 772 states and 993 transitions. [2020-09-21 11:17:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:59,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:17:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:59,598 INFO L225 Difference]: With dead ends: 772 [2020-09-21 11:17:59,598 INFO L226 Difference]: Without dead ends: 514 [2020-09-21 11:17:59,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:59,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-09-21 11:17:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 456. [2020-09-21 11:17:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-09-21 11:17:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 545 transitions. [2020-09-21 11:17:59,703 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 545 transitions. Word has length 70 [2020-09-21 11:17:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:59,703 INFO L479 AbstractCegarLoop]: Abstraction has 456 states and 545 transitions. [2020-09-21 11:17:59,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 545 transitions. [2020-09-21 11:17:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:17:59,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:59,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:59,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:59,707 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:59,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:59,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2020-09-21 11:17:59,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:59,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971543491] [2020-09-21 11:17:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:59,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:59,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:59,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:59,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:17:59,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:59,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-21 11:17:59,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:59,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,078 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:00,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:00,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:00,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:18:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:18:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:00,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:00,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:00,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:18:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:00,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:00,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:00,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:18:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:00,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:18:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:00,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:00,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:00,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:00,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:18:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-21 11:18:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:00,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:00,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:00,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:00,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:00,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:00,388 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 11:18:00,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971543491] [2020-09-21 11:18:00,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:00,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:18:00,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848986771] [2020-09-21 11:18:00,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:18:00,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:00,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:18:00,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:18:00,391 INFO L87 Difference]: Start difference. First operand 456 states and 545 transitions. Second operand 9 states. [2020-09-21 11:18:01,644 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:02,065 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:18:02,408 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:02,728 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:03,858 INFO L93 Difference]: Finished difference Result 960 states and 1223 transitions. [2020-09-21 11:18:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:18:03,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-09-21 11:18:03,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:03,864 INFO L225 Difference]: With dead ends: 960 [2020-09-21 11:18:03,864 INFO L226 Difference]: Without dead ends: 532 [2020-09-21 11:18:03,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:18:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-09-21 11:18:03,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 469. [2020-09-21 11:18:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-09-21 11:18:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 559 transitions. [2020-09-21 11:18:03,964 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 559 transitions. Word has length 112 [2020-09-21 11:18:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:03,965 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 559 transitions. [2020-09-21 11:18:03,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:18:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 559 transitions. [2020-09-21 11:18:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:18:03,998 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:03,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:18:03,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:18:03,999 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:04,000 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2020-09-21 11:18:04,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:04,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034644597] [2020-09-21 11:18:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:18:04,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-21 11:18:04,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-21 11:18:04,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:18:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,350 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:18:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:04,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:04,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:18:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:18:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:04,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:04,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:18:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:04,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:18:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:04,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:04,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:18:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:04,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:04,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:04,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:04,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:04,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:04,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:04,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:04,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:04,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:18:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:04,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-21 11:18:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:04,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:04,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:04,629 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 11:18:04,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034644597] [2020-09-21 11:18:04,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:04,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:18:04,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449590395] [2020-09-21 11:18:04,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:18:04,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:04,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:18:04,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:18:04,633 INFO L87 Difference]: Start difference. First operand 469 states and 559 transitions. Second operand 8 states. [2020-09-21 11:18:05,663 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:06,008 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:06,392 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:07,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:07,524 INFO L93 Difference]: Finished difference Result 977 states and 1241 transitions. [2020-09-21 11:18:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:18:07,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-09-21 11:18:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:07,529 INFO L225 Difference]: With dead ends: 977 [2020-09-21 11:18:07,529 INFO L226 Difference]: Without dead ends: 536 [2020-09-21 11:18:07,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 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 11:18:07,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-21 11:18:07,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 477. [2020-09-21 11:18:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-09-21 11:18:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 567 transitions. [2020-09-21 11:18:07,615 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 567 transitions. Word has length 112 [2020-09-21 11:18:07,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:07,615 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 567 transitions. [2020-09-21 11:18:07,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:18:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 567 transitions. [2020-09-21 11:18:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:18:07,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:07,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:18:07,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:18:07,618 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:07,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2020-09-21 11:18:07,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:07,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163232] [2020-09-21 11:18:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 11:18:07,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-21 11:18:07,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:18:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:07,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 11:18:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,241 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:18:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:18:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:08,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:08,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:18:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:18:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:18:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:18:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:08,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:18:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:08,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:18:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:08,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:18:08,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:08,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:18:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-21 11:18:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:08,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:08,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:08,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:08,651 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 11:18:08,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163232] [2020-09-21 11:18:08,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:08,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:18:08,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354293064] [2020-09-21 11:18:08,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:18:08,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:08,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:18:08,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:18:08,655 INFO L87 Difference]: Start difference. First operand 477 states and 567 transitions. Second operand 7 states. [2020-09-21 11:18:09,093 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:09,723 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:12,467 INFO L93 Difference]: Finished difference Result 1387 states and 1779 transitions. [2020-09-21 11:18:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:18:12,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-09-21 11:18:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:12,476 INFO L225 Difference]: With dead ends: 1387 [2020-09-21 11:18:12,476 INFO L226 Difference]: Without dead ends: 938 [2020-09-21 11:18:12,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:18:12,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-09-21 11:18:12,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 876. [2020-09-21 11:18:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-09-21 11:18:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1062 transitions. [2020-09-21 11:18:12,642 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1062 transitions. Word has length 112 [2020-09-21 11:18:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:12,644 INFO L479 AbstractCegarLoop]: Abstraction has 876 states and 1062 transitions. [2020-09-21 11:18:12,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:18:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1062 transitions. [2020-09-21 11:18:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-21 11:18:12,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:12,649 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, 1, 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 11:18:12,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:18:12,649 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:12,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:12,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2020-09-21 11:18:12,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:12,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007277096] [2020-09-21 11:18:12,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-21 11:18:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-09-21 11:18:13,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:18:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:13,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-21 11:18:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:13,605 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:18:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:13,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:13,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:18:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:18:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:18:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:18:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:18:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:13,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:18:13,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:13,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:13,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:13,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:13,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:13,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:13,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:13,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:13,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:13,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:18:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-21 11:18:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:13,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:13,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:13,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:13,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:13,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:13,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:13,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:13,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:13,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:13,994 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 11:18:13,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007277096] [2020-09-21 11:18:13,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:13,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:18:13,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049918043] [2020-09-21 11:18:13,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:18:13,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:13,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:18:13,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:18:13,998 INFO L87 Difference]: Start difference. First operand 876 states and 1062 transitions. Second operand 12 states. [2020-09-21 11:18:14,458 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:15,258 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:16,072 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:16,494 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:16,831 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:17,238 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:17,601 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:19,947 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:20,307 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:21,637 INFO L93 Difference]: Finished difference Result 2513 states and 3244 transitions. [2020-09-21 11:18:21,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:18:21,639 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-09-21 11:18:21,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:21,649 INFO L225 Difference]: With dead ends: 2513 [2020-09-21 11:18:21,650 INFO L226 Difference]: Without dead ends: 1820 [2020-09-21 11:18:21,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:18:21,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-09-21 11:18:21,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1564. [2020-09-21 11:18:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2020-09-21 11:18:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1881 transitions. [2020-09-21 11:18:21,941 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1881 transitions. Word has length 116 [2020-09-21 11:18:21,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:21,943 INFO L479 AbstractCegarLoop]: Abstraction has 1564 states and 1881 transitions. [2020-09-21 11:18:21,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:18:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1881 transitions. [2020-09-21 11:18:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:18:21,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:21,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:18:21,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:18:21,948 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:21,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:21,948 INFO L82 PathProgramCache]: Analyzing trace with hash -919086842, now seen corresponding path program 1 times [2020-09-21 11:18:21,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:21,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129199428] [2020-09-21 11:18:21,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-21 11:18:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:18:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,329 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:22,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:22,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:22,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:18:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:22,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:18:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:18:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:18:22,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:18:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:18:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:22,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:18:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:22,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:22,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:18:22,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:22,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:22,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 36 [2020-09-21 11:18:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:22,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:22,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:18:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:18:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-21 11:18:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:18:22,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 11:18:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:18:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:22,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-21 11:18:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:22,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:22,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:18:22,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129199428] [2020-09-21 11:18:22,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:22,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:18:22,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067667959] [2020-09-21 11:18:22,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:18:22,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:22,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:18:22,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:18:22,759 INFO L87 Difference]: Start difference. First operand 1564 states and 1881 transitions. Second operand 10 states. [2020-09-21 11:18:23,140 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:23,829 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:26,242 INFO L93 Difference]: Finished difference Result 1911 states and 2327 transitions. [2020-09-21 11:18:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:18:26,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-21 11:18:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:26,248 INFO L225 Difference]: With dead ends: 1911 [2020-09-21 11:18:26,248 INFO L226 Difference]: Without dead ends: 809 [2020-09-21 11:18:26,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:18:26,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-09-21 11:18:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 767. [2020-09-21 11:18:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-09-21 11:18:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 903 transitions. [2020-09-21 11:18:26,384 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 903 transitions. Word has length 157 [2020-09-21 11:18:26,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:26,385 INFO L479 AbstractCegarLoop]: Abstraction has 767 states and 903 transitions. [2020-09-21 11:18:26,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:18:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 903 transitions. [2020-09-21 11:18:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-21 11:18:26,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:26,391 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:18:26,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:18:26,392 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:26,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:26,392 INFO L82 PathProgramCache]: Analyzing trace with hash -283315442, now seen corresponding path program 1 times [2020-09-21 11:18:26,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:26,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672855930] [2020-09-21 11:18:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:18:26,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -109 [2020-09-21 11:18:26,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 109 [2020-09-21 11:18:26,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-21 11:18:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:18:26,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-21 11:18:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-21 11:18:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,804 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:26,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:26,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:26,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:26,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:26,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:18:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:18:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:18:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:26,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:18:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:26,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:18:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:26,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:26,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:26,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:26,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:26,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:18:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:18:27,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:27,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:27,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:18:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:27,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:27,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:18:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:27,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:18:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 11:18:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:27,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:27,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:27,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:27,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-21 11:18:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 11:18:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:18:27,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:27,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:18:27,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:27,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:27,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:18:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:18:27,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:18:27,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:18:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:27,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:27,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:27,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:18:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-21 11:18:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:27,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-21 11:18:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:27,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:27,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:27,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:27,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:27,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 11:18:27,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672855930] [2020-09-21 11:18:27,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:18:27,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:18:27,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295593885] [2020-09-21 11:18:27,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:18:27,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:27,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:18:27,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:18:27,337 INFO L87 Difference]: Start difference. First operand 767 states and 903 transitions. Second operand 12 states. [2020-09-21 11:18:27,751 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:18:28,572 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:28,906 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:29,877 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:30,478 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:30,951 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:31,390 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:31,722 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:32,424 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:18:33,069 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:33,544 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:34,258 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:34,916 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:18:35,773 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:18:36,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:36,242 INFO L93 Difference]: Finished difference Result 1626 states and 1966 transitions. [2020-09-21 11:18:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:18:36,248 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2020-09-21 11:18:36,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:36,254 INFO L225 Difference]: With dead ends: 1626 [2020-09-21 11:18:36,254 INFO L226 Difference]: Without dead ends: 958 [2020-09-21 11:18:36,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 76 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=500, Invalid=1480, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:18:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-09-21 11:18:36,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 879. [2020-09-21 11:18:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-21 11:18:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1008 transitions. [2020-09-21 11:18:36,415 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1008 transitions. Word has length 193 [2020-09-21 11:18:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:36,416 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 1008 transitions. [2020-09-21 11:18:36,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:18:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1008 transitions. [2020-09-21 11:18:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-09-21 11:18:36,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:36,423 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:18:36,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:18:36,424 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:36,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:36,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1594839617, now seen corresponding path program 1 times [2020-09-21 11:18:36,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:36,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731318458] [2020-09-21 11:18:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:36,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:36,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:36,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:36,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 464 [2020-09-21 11:18:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 312 [2020-09-21 11:18:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:37,207 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:37,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat