/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=SMALLEST --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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:56:44,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:56:44,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:56:44,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:56:44,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:56:44,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:56:44,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:56:44,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:56:44,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:56:44,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:56:44,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:56:44,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:56:44,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:56:44,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:56:44,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:56:44,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:56:44,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:56:44,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:56:44,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:56:44,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:56:44,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:56:44,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:56:44,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:56:44,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:56:44,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:56:44,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:56:44,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:56:44,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:56:44,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:56:44,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:56:44,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:56:44,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:56:44,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:56:44,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:56:44,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:56:44,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:56:44,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:56:44,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:56:44,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:56:44,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:56:44,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:56:44,110 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 [2020-09-24 17:56:44,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:56:44,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:56:44,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:56:44,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:56:44,172 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:56:44,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:56:44,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:56:44,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:56:44,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:56:44,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:56:44,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:56:44,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:56:44,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:56:44,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:56:44,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:56:44,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:56:44,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:56:44,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:56:44,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:56:44,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:56:44,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:56:44,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:56:44,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:56:44,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:56:44,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:56:44,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:56:44,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:56:44,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:56:44,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:56:44,178 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 17:56:44,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:56:44,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:56:44,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:56:44,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:56:44,714 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:56:44,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-09-24 17:56:44,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561097e08/ef795f55e6a04b709823f6c75bd2de35/FLAGf37d93e53 [2020-09-24 17:56:45,443 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:56:45,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-09-24 17:56:45,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561097e08/ef795f55e6a04b709823f6c75bd2de35/FLAGf37d93e53 [2020-09-24 17:56:45,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/561097e08/ef795f55e6a04b709823f6c75bd2de35 [2020-09-24 17:56:45,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:56:45,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:56:45,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:56:45,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:56:45,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:56:45,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:56:45" (1/1) ... [2020-09-24 17:56:45,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106b6e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:45, skipping insertion in model container [2020-09-24 17:56:45,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:56:45" (1/1) ... [2020-09-24 17:56:45,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:56:45,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:56:46,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:56:46,402 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:56:46,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:56:46,524 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:56:46,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46 WrapperNode [2020-09-24 17:56:46,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:56:46,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:56:46,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:56:46,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:56:46,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (1/1) ... [2020-09-24 17:56:46,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:56:46,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:56:46,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:56:46,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:56:46,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (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 [2020-09-24 17:56:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:56:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:56:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:56:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:56:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:56:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:56:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:56:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:56:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:56:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:56:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:56:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:56:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:56:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 17:56:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 17:56:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:56:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 17:56:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:56:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:56:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 17:56:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 17:56:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 17:56:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 17:56:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 17:56:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 17:56:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:56:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:56:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:56:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:56:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:56:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:56:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:56:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:56:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:56:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:56:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 17:56:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 17:56:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 17:56:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 17:56:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:56:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:56:47,839 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:56:47,840 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 17:56:47,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:56:47 BoogieIcfgContainer [2020-09-24 17:56:47,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:56:47,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:56:47,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:56:47,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:56:47,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:56:45" (1/3) ... [2020-09-24 17:56:47,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc9b7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:56:47, skipping insertion in model container [2020-09-24 17:56:47,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:56:46" (2/3) ... [2020-09-24 17:56:47,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc9b7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:56:47, skipping insertion in model container [2020-09-24 17:56:47,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:56:47" (3/3) ... [2020-09-24 17:56:47,857 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-09-24 17:56:47,869 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:56:47,881 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:56:47,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:56:47,947 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:56:47,947 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:56:47,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:56:47,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:56:47,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:56:47,948 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:56:47,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:56:47,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:56:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states. [2020-09-24 17:56:47,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 17:56:47,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:56:47,991 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] [2020-09-24 17:56:47,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:56:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:56:47,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1439262157, now seen corresponding path program 1 times [2020-09-24 17:56:48,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:56:48,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551495932] [2020-09-24 17:56:48,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:56:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:48,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:50,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:51,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:53,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:53,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 17:56:53,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 17:56:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 17:56:53,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 17:56:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:56:53,885 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:56:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:56:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:56:54,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 17:56:54,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:56:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:54,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:54,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:56:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:54,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:54,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:56:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:54,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:56:54,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:56:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:56:54,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:56:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:56:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:56:54,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:56:54,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:56:54,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:56:54,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 17:56:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:54,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:56:54,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:56:54,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 17:56:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:54,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:54,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:56:54,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:56:54,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:56:54,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:56:54,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:56:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:56:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:56:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:56:54,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:56:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:56:54,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551495932] [2020-09-24 17:56:54,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:56:54,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 17:56:54,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399239738] [2020-09-24 17:56:54,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 17:56:54,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:56:54,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 17:56:54,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:56:54,287 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 4 states. [2020-09-24 17:56:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:56:55,613 INFO L93 Difference]: Finished difference Result 387 states and 462 transitions. [2020-09-24 17:56:55,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 17:56:55,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 17:56:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:56:55,637 INFO L225 Difference]: With dead ends: 387 [2020-09-24 17:56:55,637 INFO L226 Difference]: Without dead ends: 260 [2020-09-24 17:56:55,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 17:56:55,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-24 17:56:55,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 212. [2020-09-24 17:56:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-24 17:56:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 227 transitions. [2020-09-24 17:56:55,764 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 227 transitions. Word has length 148 [2020-09-24 17:56:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:56:55,765 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 227 transitions. [2020-09-24 17:56:55,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 17:56:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 227 transitions. [2020-09-24 17:56:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 17:56:55,775 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:56:55,775 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] [2020-09-24 17:56:55,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:56:55,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:56:55,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:56:55,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1995914943, now seen corresponding path program 1 times [2020-09-24 17:56:55,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:56:55,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128312901] [2020-09-24 17:56:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:56:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:56:55,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:56,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:57,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:58,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:56:59,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:00,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 17:57:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-24 17:57:00,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 17:57:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:57:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:01,257 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:01,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 17:57:01,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:01,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:01,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:01,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:01,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:01,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:01,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:57:01,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:01,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:01,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:01,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:01,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:01,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 17:57:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:01,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:01,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:01,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:01,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:01,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:01,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:01,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:01,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128312901] [2020-09-24 17:57:01,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:01,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:57:01,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524675629] [2020-09-24 17:57:01,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:57:01,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:01,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:57:01,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:57:01,532 INFO L87 Difference]: Start difference. First operand 212 states and 227 transitions. Second operand 5 states. [2020-09-24 17:57:02,195 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 17:57:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:02,895 INFO L93 Difference]: Finished difference Result 303 states and 343 transitions. [2020-09-24 17:57:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 17:57:02,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 17:57:02,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:02,904 INFO L225 Difference]: With dead ends: 303 [2020-09-24 17:57:02,904 INFO L226 Difference]: Without dead ends: 249 [2020-09-24 17:57:02,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:57:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-09-24 17:57:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 202. [2020-09-24 17:57:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-24 17:57:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2020-09-24 17:57:02,974 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 149 [2020-09-24 17:57:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:02,976 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2020-09-24 17:57:02,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:57:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2020-09-24 17:57:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 17:57:02,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:02,982 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, 1, 1, 1, 1, 1] [2020-09-24 17:57:02,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:57:02,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:02,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1172868170, now seen corresponding path program 1 times [2020-09-24 17:57:02,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:02,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715748796] [2020-09-24 17:57:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:04,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:04,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 17:57:08,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:57:08,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 17:57:08,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 17:57:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 17:57:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:08,398 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:08,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 17:57:08,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:08,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:08,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:08,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:57:08,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:08,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:08,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:57:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:08,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:08,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:08,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:08,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 17:57:08,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 17:57:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:08,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:08,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:57:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:08,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:08,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:08,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:08,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 17:57:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:08,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715748796] [2020-09-24 17:57:08,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:08,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 17:57:08,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486350369] [2020-09-24 17:57:08,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 17:57:08,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:08,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 17:57:08,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 17:57:08,748 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 6 states. [2020-09-24 17:57:09,514 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:11,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:11,056 INFO L93 Difference]: Finished difference Result 452 states and 530 transitions. [2020-09-24 17:57:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:57:11,057 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 17:57:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:11,061 INFO L225 Difference]: With dead ends: 452 [2020-09-24 17:57:11,061 INFO L226 Difference]: Without dead ends: 365 [2020-09-24 17:57:11,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 17:57:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-09-24 17:57:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 273. [2020-09-24 17:57:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-09-24 17:57:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 296 transitions. [2020-09-24 17:57:11,134 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 296 transitions. Word has length 162 [2020-09-24 17:57:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:11,136 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 296 transitions. [2020-09-24 17:57:11,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 17:57:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 296 transitions. [2020-09-24 17:57:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-24 17:57:11,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:57:11,138 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:57:11,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:57:11,139 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:57:11,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:57:11,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1570168867, now seen corresponding path program 1 times [2020-09-24 17:57:11,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:57:11,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002256905] [2020-09-24 17:57:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:57:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:11,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:12,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:57:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-09-24 17:57:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 17:57:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,538 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:57:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 17:57:16,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 17:57:16,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 17:57:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:16,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:16,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 17:57:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 17:57:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:57:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 17:57:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:16,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:16,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 17:57:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 17:57:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:57:16,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 17:57:16,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:57:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:57:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 17:57:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:57:16,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:16,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:57:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:57:16,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 17:57:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:16,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:57:16,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:57:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:57:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 17:57:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:57:16,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:57:16,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:57:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:57:16,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:57:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:57:16,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002256905] [2020-09-24 17:57:16,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:57:16,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:57:16,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509952040] [2020-09-24 17:57:16,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:57:16,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:57:16,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:57:16,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:57:16,815 INFO L87 Difference]: Start difference. First operand 273 states and 296 transitions. Second operand 10 states. [2020-09-24 17:57:17,383 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:18,872 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 17:57:19,431 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 17:57:19,757 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:20,078 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 17:57:20,393 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:20,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:57:20,650 INFO L93 Difference]: Finished difference Result 482 states and 567 transitions. [2020-09-24 17:57:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:57:20,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-24 17:57:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:57:20,653 INFO L225 Difference]: With dead ends: 482 [2020-09-24 17:57:20,653 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:57:20,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-09-24 17:57:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:57:20,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:57:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:57:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:57:20,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-24 17:57:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:57:20,657 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:57:20,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:57:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:57:20,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:57:20,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 17:57:20,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:57:20,818 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-24 17:57:20,989 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:21,162 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:21,325 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:21,487 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:21,645 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:21,805 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:21,973 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:22,103 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-24 17:57:22,219 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:57:22,378 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:22,547 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:22,665 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-24 17:57:22,820 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:23,115 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:23,411 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:23,707 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:23,999 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:24,142 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 17:57:24,290 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:24,443 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:24,551 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-24 17:57:24,892 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:25,137 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:25,481 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:25,726 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:26,071 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:26,412 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:26,753 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:26,910 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,058 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:27,211 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,359 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:27,515 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,667 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:27,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:28,322 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:28,567 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:28,910 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:29,157 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-24 17:57:29,502 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:29,842 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:30,184 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-24 17:57:30,341 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:30,491 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:30,648 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:30,801 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:30,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:31,102 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:31,255 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:31,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:31,557 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:31,711 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:31,874 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,033 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,186 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,343 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,496 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,650 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:32,799 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:33,089 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:33,380 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:33,670 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:33,964 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 17:57:34,114 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:34,266 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 17:57:34,568 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 17:57:34,675 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-24 17:57:34,892 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:35,112 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:35,335 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:35,733 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-24 17:57:35,983 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:36,181 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:36,366 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-24 17:57:36,577 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-24 17:57:36,743 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8