/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:15:33,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:15:33,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:15:33,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:15:33,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:15:33,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:15:33,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:15:33,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:15:33,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:15:33,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:15:33,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:15:33,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:15:33,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:15:33,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:15:33,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:15:33,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:15:33,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:15:33,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:15:33,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:15:33,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:15:33,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:15:33,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:15:33,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:15:33,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:15:33,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:15:33,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:15:33,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:15:33,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:15:33,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:15:33,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:15:33,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:15:33,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:15:33,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:15:33,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:15:33,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:15:33,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:15:33,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:15:33,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:15:33,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:15:33,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:15:33,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:15:33,769 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 14:15:33,816 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:15:33,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:15:33,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:15:33,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:15:33,819 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:15:33,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:15:33,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:15:33,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:15:33,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:15:33,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:15:33,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:15:33,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:15:33,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:15:33,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:15:33,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:15:33,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:15:33,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:15:33,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:15:33,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:15:33,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:15:33,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:15:33,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:33,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:15:33,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:15:33,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:15:33,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:15:33,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:15:33,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:15:33,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:15:33,826 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:15:34,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:15:34,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:15:34,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:15:34,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:15:34,298 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:15:34,300 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-25 14:15:34,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a61bf3ec5/f222f6ddec3949309a92a873e6df9404/FLAG7524c73dc [2020-09-25 14:15:34,933 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:15:34,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-09-25 14:15:34,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a61bf3ec5/f222f6ddec3949309a92a873e6df9404/FLAG7524c73dc [2020-09-25 14:15:35,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a61bf3ec5/f222f6ddec3949309a92a873e6df9404 [2020-09-25 14:15:35,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:15:35,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:15:35,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:35,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:15:35,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:15:35,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:35,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecced43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35, skipping insertion in model container [2020-09-25 14:15:35,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:35,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:15:35,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:15:35,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:35,806 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:15:35,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:35,971 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:15:35,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35 WrapperNode [2020-09-25 14:15:35,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:35,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:15:35,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:15:35,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:15:35,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:35,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (1/1) ... [2020-09-25 14:15:36,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:15:36,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:15:36,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:15:36,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:15:36,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (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 14:15:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:15:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:15:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:15:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:15:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:15:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:15:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:15:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:15:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:15:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:15:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:15:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:15:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:15:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:15:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:15:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:15:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:15:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:15:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:15:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:15:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:15:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:15:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:15:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:15:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:15:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:15:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:15:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:15:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:15:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:15:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:15:37,361 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:15:37,362 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:15:37,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:37 BoogieIcfgContainer [2020-09-25 14:15:37,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:15:37,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:15:37,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:15:37,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:15:37,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:15:35" (1/3) ... [2020-09-25 14:15:37,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ec5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:37, skipping insertion in model container [2020-09-25 14:15:37,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:35" (2/3) ... [2020-09-25 14:15:37,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372ec5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:37, skipping insertion in model container [2020-09-25 14:15:37,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:37" (3/3) ... [2020-09-25 14:15:37,378 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-09-25 14:15:37,389 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:15:37,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:15:37,425 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:15:37,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:15:37,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:15:37,455 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:15:37,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:15:37,455 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:15:37,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:15:37,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:15:37,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:15:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 14:15:37,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:15:37,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:37,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:37,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:37,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:37,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1661826490, now seen corresponding path program 1 times [2020-09-25 14:15:37,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:37,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421870586] [2020-09-25 14:15:37,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:38,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:40,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:41,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:15:42,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 14:15:42,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:42,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:15:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 14:15:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 14:15:42,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 14:15:43,534 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:43,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:43,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:43,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-09-25 14:15:43,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:43,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:43,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 14:15:43,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:44,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:15:44,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:44,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:44,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:44,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:44,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:44,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:44,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:44,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:44,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:44,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:44,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:15:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:44,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:44,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:15:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:44,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:44,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:15:44,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421870586] [2020-09-25 14:15:44,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:44,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:44,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344487210] [2020-09-25 14:15:44,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:44,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:44,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:44,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:44,184 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 5 states. [2020-09-25 14:15:44,801 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:46,551 INFO L93 Difference]: Finished difference Result 600 states and 725 transitions. [2020-09-25 14:15:46,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:46,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:15:46,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:46,577 INFO L225 Difference]: With dead ends: 600 [2020-09-25 14:15:46,577 INFO L226 Difference]: Without dead ends: 430 [2020-09-25 14:15:46,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:46,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-25 14:15:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 361. [2020-09-25 14:15:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-09-25 14:15:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 402 transitions. [2020-09-25 14:15:46,743 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 402 transitions. Word has length 148 [2020-09-25 14:15:46,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:46,744 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 402 transitions. [2020-09-25 14:15:46,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 402 transitions. [2020-09-25 14:15:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 14:15:46,749 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:46,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:46,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:15:46,750 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:46,751 INFO L82 PathProgramCache]: Analyzing trace with hash -97081726, now seen corresponding path program 1 times [2020-09-25 14:15:46,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:46,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724903880] [2020-09-25 14:15:46,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:47,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:47,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:48,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:48,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:51,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:51,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 14:15:51,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 14:15:51,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:51,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:15:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:15:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:15:51,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,113 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:52,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 14:15:52,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:52,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:52,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:52,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:52,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:52,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:52,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:52,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:52,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:52,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:15:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:15:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:52,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:15:52,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:15:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:52,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:52,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:52,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:15:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:52,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:52,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:52,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:52,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:52,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:15:52,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724903880] [2020-09-25 14:15:52,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:52,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:15:52,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024078530] [2020-09-25 14:15:52,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:15:52,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:52,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:15:52,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:15:52,390 INFO L87 Difference]: Start difference. First operand 361 states and 402 transitions. Second operand 6 states. [2020-09-25 14:15:52,912 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:55,753 INFO L93 Difference]: Finished difference Result 947 states and 1277 transitions. [2020-09-25 14:15:55,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:15:55,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 14:15:55,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:55,767 INFO L225 Difference]: With dead ends: 947 [2020-09-25 14:15:55,768 INFO L226 Difference]: Without dead ends: 944 [2020-09-25 14:15:55,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:15:55,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-09-25 14:15:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 610. [2020-09-25 14:15:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-09-25 14:15:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 703 transitions. [2020-09-25 14:15:55,920 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 703 transitions. Word has length 157 [2020-09-25 14:15:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:55,921 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 703 transitions. [2020-09-25 14:15:55,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:15:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 703 transitions. [2020-09-25 14:15:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-09-25 14:15:55,927 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:55,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:55,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:15:55,928 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:55,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1184447044, now seen corresponding path program 1 times [2020-09-25 14:15:55,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:55,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308950395] [2020-09-25 14:15:55,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:56,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:56,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:59,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-25 14:16:01,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:16:01,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 14:16:01,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 14:16:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:16:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,309 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:01,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:01,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 14:16:01,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:01,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:01,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:01,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:01,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:01,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:01,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:01,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:01,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:01,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:16:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:01,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:01,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:01,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:01,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:16:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:16:01,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:16:01,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-25 14:16:01,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:01,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 14:16:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:01,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:01,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:16:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:01,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:16:01,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:01,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 14:16:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:01,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:16:01,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:01,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 14:16:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 14:16:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:01,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:01,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:01,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:01,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-25 14:16:02,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308950395] [2020-09-25 14:16:02,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:02,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:16:02,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36999702] [2020-09-25 14:16:02,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:16:02,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:02,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:16:02,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:16:02,011 INFO L87 Difference]: Start difference. First operand 610 states and 703 transitions. Second operand 8 states. [2020-09-25 14:16:02,948 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:04,684 INFO L93 Difference]: Finished difference Result 1214 states and 1541 transitions. [2020-09-25 14:16:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 14:16:04,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 215 [2020-09-25 14:16:04,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:04,696 INFO L225 Difference]: With dead ends: 1214 [2020-09-25 14:16:04,697 INFO L226 Difference]: Without dead ends: 865 [2020-09-25 14:16:04,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2020-09-25 14:16:04,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-09-25 14:16:04,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 570. [2020-09-25 14:16:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-09-25 14:16:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 643 transitions. [2020-09-25 14:16:04,811 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 643 transitions. Word has length 215 [2020-09-25 14:16:04,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:04,812 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 643 transitions. [2020-09-25 14:16:04,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:16:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 643 transitions. [2020-09-25 14:16:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 14:16:04,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:04,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:04,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:16:04,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:04,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:04,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1785218899, now seen corresponding path program 1 times [2020-09-25 14:16:04,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:04,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158627490] [2020-09-25 14:16:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:04,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 14:16:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 14:16:09,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:09,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:16:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:16:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 14:16:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,195 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:10,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:16:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:10,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:10,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:10,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:10,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:10,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:10,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:16:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:16:10,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:10,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 14:16:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:16:10,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:16:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 14:16:10,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:10,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 14:16:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:16:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:16:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:10,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:10,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:16:10,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:16:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:10,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 14:16:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:10,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 14:16:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:10,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:10,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:10,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:10,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:10,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:10,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:10,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 14:16:10,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158627490] [2020-09-25 14:16:10,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:16:10,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 14:16:10,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221123399] [2020-09-25 14:16:10,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:16:10,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:10,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:16:10,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:16:10,991 INFO L87 Difference]: Start difference. First operand 570 states and 643 transitions. Second operand 13 states. [2020-09-25 14:16:11,652 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:12,703 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:13,566 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:13,910 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:14,610 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 14:16:14,899 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:15,513 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-25 14:16:15,821 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:16,421 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-25 14:16:17,028 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 14:16:17,745 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:18,332 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 14:16:19,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:19,116 INFO L93 Difference]: Finished difference Result 995 states and 1233 transitions. [2020-09-25 14:16:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-25 14:16:19,116 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-09-25 14:16:19,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:19,117 INFO L225 Difference]: With dead ends: 995 [2020-09-25 14:16:19,117 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:16:19,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=403, Invalid=1157, Unknown=0, NotChecked=0, Total=1560 [2020-09-25 14:16:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:16:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:16:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:16:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:16:19,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2020-09-25 14:16:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:19,122 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:16:19,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:16:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:16:19,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:16:19,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:16:19,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:16:19,331 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:19,517 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:19,691 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:19,853 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:20,022 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:20,204 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:20,376 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:20,533 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:20,700 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:16:20,870 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:21,035 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:21,199 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:21,361 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:21,719 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-25 14:16:22,064 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-25 14:16:22,398 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-25 14:16:22,755 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 192 [2020-09-25 14:16:23,084 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-25 14:16:23,416 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-25 14:16:23,786 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-25 14:16:24,106 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195