/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:14:40,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:14:40,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:14:40,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:14:40,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:14:40,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:14:40,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:14:40,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:14:40,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:14:40,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:14:40,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:14:40,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:14:40,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:14:40,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:14:40,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:14:40,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:14:40,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:14:40,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:14:40,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:14:40,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:14:40,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:14:40,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:14:40,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:14:40,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:14:40,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:14:40,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:14:40,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:14:40,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:14:40,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:14:40,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:14:40,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:14:40,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:14:40,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:14:40,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:14:40,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:14:40,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:14:40,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:14:40,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:14:40,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:14:40,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:14:40,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:14:40,792 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 [2020-09-25 04:14:40,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:14:40,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:14:40,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:14:40,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:14:40,820 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:14:40,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:14:40,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:14:40,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:14:40,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:14:40,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:14:40,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:14:40,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:14:40,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:14:40,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:14:40,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:14:40,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:14:40,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:14:40,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:14:40,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:14:40,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:14:40,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:14:40,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:14:40,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:14:40,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:14:40,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:14:40,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:14:40,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:14:40,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:14:40,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:14:40,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:14:41,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:14:41,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:14:41,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:14:41,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:14:41,329 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:14:41,330 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 04:14:41,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e0475b8c/8745cd238b764db4b9ab9e3cfe09b166/FLAG5b2e106e9 [2020-09-25 04:14:42,038 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:14:42,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 04:14:42,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e0475b8c/8745cd238b764db4b9ab9e3cfe09b166/FLAG5b2e106e9 [2020-09-25 04:14:42,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e0475b8c/8745cd238b764db4b9ab9e3cfe09b166 [2020-09-25 04:14:42,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:14:42,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:14:42,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:42,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:14:42,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:14:42,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:42" (1/1) ... [2020-09-25 04:14:42,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:42, skipping insertion in model container [2020-09-25 04:14:42,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:42" (1/1) ... [2020-09-25 04:14:42,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:14:42,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:14:43,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:43,036 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:14:43,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:43,218 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:14:43,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43 WrapperNode [2020-09-25 04:14:43,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:43,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:14:43,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:14:43,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:14:43,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (1/1) ... [2020-09-25 04:14:43,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:14:43,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:14:43,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:14:43,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:14:43,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (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 [2020-09-25 04:14:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:14:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:14:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:14:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:14:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:14:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:14:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:14:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:14:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:14:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:14:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:14:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:14:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:14:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:14:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:14:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:14:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:14:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:14:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:14:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:14:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:14:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:14:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:14:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:14:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:14:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:14:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:14:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:14:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:14:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:14:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:14:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:14:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:14:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:14:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:14:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:14:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:14:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:14:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:14:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:14:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:14:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:14:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:14:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:14:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:14:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:14:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:14:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:14:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:14:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:14:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:14:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:14:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:14:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:14:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:14:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:14:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:14:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:14:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:14:44,696 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:14:44,696 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:14:44,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:44 BoogieIcfgContainer [2020-09-25 04:14:44,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:14:44,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:14:44,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:14:44,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:14:44,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:14:42" (1/3) ... [2020-09-25 04:14:44,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d710bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:44, skipping insertion in model container [2020-09-25 04:14:44,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:43" (2/3) ... [2020-09-25 04:14:44,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d710bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:44, skipping insertion in model container [2020-09-25 04:14:44,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:44" (3/3) ... [2020-09-25 04:14:44,714 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-09-25 04:14:44,726 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:14:44,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:14:44,761 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:14:44,792 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:14:44,793 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:14:44,793 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:14:44,793 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:14:44,793 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:14:44,793 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:14:44,794 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:14:44,794 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:14:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2020-09-25 04:14:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:14:44,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:44,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:44,845 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:44,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:44,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1837457757, now seen corresponding path program 1 times [2020-09-25 04:14:44,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:44,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698281706] [2020-09-25 04:14:44,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:50,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:50,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:50,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:14:50,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 04:14:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:50,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:50,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:14:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 04:14:50,866 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:51,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 04:14:51,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:51,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 04:14:51,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:51,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:51,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:51,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:14:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:51,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:51,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:51,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:51,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:14:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:51,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:51,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:51,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:51,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:14:51,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:14:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:51,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:14:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:51,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:51,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:51,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:51,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:51,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:51,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:51,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:51,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:51,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698281706] [2020-09-25 04:14:51,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:51,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:14:51,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858262066] [2020-09-25 04:14:51,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:14:51,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:51,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:14:51,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:51,287 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 4 states. [2020-09-25 04:14:53,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:53,352 INFO L93 Difference]: Finished difference Result 574 states and 675 transitions. [2020-09-25 04:14:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:14:53,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:14:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:53,379 INFO L225 Difference]: With dead ends: 574 [2020-09-25 04:14:53,379 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 04:14:53,386 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 [2020-09-25 04:14:53,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 04:14:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 305. [2020-09-25 04:14:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-09-25 04:14:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 335 transitions. [2020-09-25 04:14:53,577 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 335 transitions. Word has length 160 [2020-09-25 04:14:53,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:53,578 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 335 transitions. [2020-09-25 04:14:53,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:14:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 335 transitions. [2020-09-25 04:14:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:14:53,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:53,584 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:53,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:14:53,585 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:53,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1789816380, now seen corresponding path program 1 times [2020-09-25 04:14:53,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:53,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808560944] [2020-09-25 04:14:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:53,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:56,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:14:58,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 04:14:58,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:14:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,035 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:59,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 04:14:59,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:59,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:59,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:59,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:59,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:59,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:59,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:59,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:59,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:14:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:59,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:59,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:59,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:14:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:59,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:59,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:59,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:59,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:59,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:59,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:59,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:59,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:14:59,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808560944] [2020-09-25 04:14:59,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:59,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:14:59,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534981054] [2020-09-25 04:14:59,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:14:59,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:59,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:14:59,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:14:59,299 INFO L87 Difference]: Start difference. First operand 305 states and 335 transitions. Second operand 5 states. [2020-09-25 04:15:00,045 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:01,402 INFO L93 Difference]: Finished difference Result 497 states and 563 transitions. [2020-09-25 04:15:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:15:01,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:15:01,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:01,413 INFO L225 Difference]: With dead ends: 497 [2020-09-25 04:15:01,413 INFO L226 Difference]: Without dead ends: 343 [2020-09-25 04:15:01,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:15:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-25 04:15:01,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 295. [2020-09-25 04:15:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-09-25 04:15:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 322 transitions. [2020-09-25 04:15:01,513 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 322 transitions. Word has length 161 [2020-09-25 04:15:01,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:01,514 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 322 transitions. [2020-09-25 04:15:01,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:15:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 322 transitions. [2020-09-25 04:15:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 04:15:01,517 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:01,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:01,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:15:01,518 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:01,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:01,518 INFO L82 PathProgramCache]: Analyzing trace with hash 350266212, now seen corresponding path program 1 times [2020-09-25 04:15:01,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:01,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172663470] [2020-09-25 04:15:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:01,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:02,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 04:15:06,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:15:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 04:15:06,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:06,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 04:15:06,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:15:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:07,113 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:07,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 04:15:07,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:07,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:07,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:07,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:07,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:07,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:15:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:07,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:07,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:07,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:07,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 04:15:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:07,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:07,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:15:07,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172663470] [2020-09-25 04:15:07,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:07,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:15:07,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118405487] [2020-09-25 04:15:07,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:15:07,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:07,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:15:07,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:15:07,414 INFO L87 Difference]: Start difference. First operand 295 states and 322 transitions. Second operand 9 states. [2020-09-25 04:15:07,895 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:08,970 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 04:15:09,580 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 04:15:10,707 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:11,016 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 04:15:11,338 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:11,982 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:12,305 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:12,627 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:13,751 INFO L93 Difference]: Finished difference Result 626 states and 736 transitions. [2020-09-25 04:15:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 04:15:13,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 04:15:13,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:13,756 INFO L225 Difference]: With dead ends: 626 [2020-09-25 04:15:13,756 INFO L226 Difference]: Without dead ends: 446 [2020-09-25 04:15:13,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-25 04:15:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-25 04:15:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 398. [2020-09-25 04:15:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-09-25 04:15:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 442 transitions. [2020-09-25 04:15:13,815 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 442 transitions. Word has length 170 [2020-09-25 04:15:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:13,816 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 442 transitions. [2020-09-25 04:15:13,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:15:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 442 transitions. [2020-09-25 04:15:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 04:15:13,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:13,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:13,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:15:13,820 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:13,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:13,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1477920914, now seen corresponding path program 1 times [2020-09-25 04:15:13,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:13,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180841490] [2020-09-25 04:15:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:14,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:14,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 04:15:14,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 845 [2020-09-25 04:15:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:14,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 04:15:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,056 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:15,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:15,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 04:15:15,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:15,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:15,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:15,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:15,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:15,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:15,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 04:15:15,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 04:15:15,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:15:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:15,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 04:15:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 04:15:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 04:15:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:15:15,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 04:15:15,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:15:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:15,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 04:15:15,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:15:15,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:15,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:15,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:15,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:15,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:15,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 04:15:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 04:15:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:15,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:15,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:15,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 04:15:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:15,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:15,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:15,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:15,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:15,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:15,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180841490] [2020-09-25 04:15:15,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:15,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:15:15,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67163368] [2020-09-25 04:15:15,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:15:15,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:15,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:15:15,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:15,909 INFO L87 Difference]: Start difference. First operand 398 states and 442 transitions. Second operand 10 states. [2020-09-25 04:15:17,633 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:17,952 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:15:18,268 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:15:18,585 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:18,908 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:15:19,210 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:20,251 INFO L93 Difference]: Finished difference Result 760 states and 888 transitions. [2020-09-25 04:15:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:15:20,252 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-09-25 04:15:20,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:20,258 INFO L225 Difference]: With dead ends: 760 [2020-09-25 04:15:20,258 INFO L226 Difference]: Without dead ends: 477 [2020-09-25 04:15:20,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 04:15:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-25 04:15:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 405. [2020-09-25 04:15:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 04:15:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 449 transitions. [2020-09-25 04:15:20,315 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 449 transitions. Word has length 213 [2020-09-25 04:15:20,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:20,315 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 449 transitions. [2020-09-25 04:15:20,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:15:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 449 transitions. [2020-09-25 04:15:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 04:15:20,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:20,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:20,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:15:20,319 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:20,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1415592178, now seen corresponding path program 1 times [2020-09-25 04:15:20,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:20,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7340307] [2020-09-25 04:15:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:20,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 04:15:21,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:21,359 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 04:15:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:21,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:21,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:21,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:21,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 04:15:21,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 04:15:21,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 04:15:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:21,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 04:15:21,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 04:15:21,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 04:15:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:15:21,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 04:15:21,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:15:21,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:21,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:21,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 04:15:21,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 04:15:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:21,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:15:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:21,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:21,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 04:15:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 04:15:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 04:15:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:21,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7340307] [2020-09-25 04:15:21,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:21,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:15:21,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268586002] [2020-09-25 04:15:21,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:15:21,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:21,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:15:21,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:15:21,949 INFO L87 Difference]: Start difference. First operand 405 states and 449 transitions. Second operand 9 states. [2020-09-25 04:15:23,403 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:23,752 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:15:24,068 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:24,392 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 04:15:24,694 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:25,856 INFO L93 Difference]: Finished difference Result 778 states and 921 transitions. [2020-09-25 04:15:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 04:15:25,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-25 04:15:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:25,863 INFO L225 Difference]: With dead ends: 778 [2020-09-25 04:15:25,864 INFO L226 Difference]: Without dead ends: 488 [2020-09-25 04:15:25,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 04:15:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-25 04:15:25,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 411. [2020-09-25 04:15:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-25 04:15:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 455 transitions. [2020-09-25 04:15:25,922 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 455 transitions. Word has length 213 [2020-09-25 04:15:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:25,923 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 455 transitions. [2020-09-25 04:15:25,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:15:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 455 transitions. [2020-09-25 04:15:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 04:15:25,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:25,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:25,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:15:25,927 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:25,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:25,927 INFO L82 PathProgramCache]: Analyzing trace with hash -739469201, now seen corresponding path program 1 times [2020-09-25 04:15:25,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:25,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606483500] [2020-09-25 04:15:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:27,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:27,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 04:15:27,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1312 [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-25 04:15:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:27,676 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:27,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:27,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:27,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:27,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:27,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 04:15:27,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:27,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:27,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 04:15:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:28,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:28,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:28,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:28,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:28,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:15:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:28,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:28,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:15:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:28,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:28,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 04:15:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 04:15:28,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 04:15:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:15:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 04:15:28,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 04:15:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 04:15:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 04:15:28,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:15:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:28,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:15:28,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:28,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:28,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:15:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 04:15:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 04:15:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:28,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:28,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:28,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:15:28,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:28,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:28,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:28,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606483500] [2020-09-25 04:15:28,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:28,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 04:15:28,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715382427] [2020-09-25 04:15:28,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:15:28,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:28,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:15:28,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:15:28,437 INFO L87 Difference]: Start difference. First operand 411 states and 455 transitions. Second operand 7 states. [2020-09-25 04:15:29,010 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189