/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:44:12,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:44:12,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:44:13,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:44:13,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:44:13,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:44:13,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:44:13,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:44:13,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:44:13,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:44:13,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:44:13,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:44:13,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:44:13,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:44:13,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:44:13,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:44:13,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:44:13,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:44:13,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:44:13,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:44:13,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:44:13,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:44:13,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:44:13,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:44:13,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:44:13,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:44:13,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:44:13,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:44:13,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:44:13,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:44:13,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:44:13,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:44:13,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:44:13,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:44:13,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:44:13,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:44:13,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:44:13,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:44:13,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:44:13,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:44:13,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:44:13,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:44:13,152 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:44:13,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:44:13,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:44:13,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:44:13,155 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:44:13,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:44:13,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:44:13,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:44:13,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:44:13,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:44:13,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:44:13,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:44:13,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:44:13,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:44:13,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:44:13,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:44:13,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:44:13,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:44:13,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:44:13,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:44:13,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:44:13,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:44:13,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:44:13,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:44:13,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:44:13,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:44:13,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:44:13,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:44:13,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:44:13,656 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:44:13,657 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-25 08:44:13,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b6235f4f/7d4a0d1fa480487fac745ad362bec832/FLAG4201e9657 [2020-09-25 08:44:14,381 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:44:14,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-25 08:44:14,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b6235f4f/7d4a0d1fa480487fac745ad362bec832/FLAG4201e9657 [2020-09-25 08:44:14,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b6235f4f/7d4a0d1fa480487fac745ad362bec832 [2020-09-25 08:44:14,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:44:14,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:44:14,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:14,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:44:14,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:44:14,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:14" (1/1) ... [2020-09-25 08:44:14,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:14, skipping insertion in model container [2020-09-25 08:44:14,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:14" (1/1) ... [2020-09-25 08:44:14,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:44:14,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:44:15,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:15,213 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:44:15,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:15,429 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:44:15,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15 WrapperNode [2020-09-25 08:44:15,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:15,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:44:15,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:44:15,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:44:15,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... [2020-09-25 08:44:15,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:44:15,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:44:15,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:44:15,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:44:15,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:44:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:44:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:44:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:44:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:44:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:44:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:44:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:44:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:44:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:44:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:44:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:44:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:44:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:44:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:44:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:44:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:44:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:44:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:44:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:44:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:44:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:44:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:44:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:44:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:44:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:15,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:44:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:44:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:44:16,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:44:16,706 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:44:16,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:16 BoogieIcfgContainer [2020-09-25 08:44:16,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:44:16,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:44:16,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:44:16,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:44:16,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:44:14" (1/3) ... [2020-09-25 08:44:16,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbb845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:16, skipping insertion in model container [2020-09-25 08:44:16,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:15" (2/3) ... [2020-09-25 08:44:16,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbb845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:16, skipping insertion in model container [2020-09-25 08:44:16,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:16" (3/3) ... [2020-09-25 08:44:16,727 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-09-25 08:44:16,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:44:16,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:44:16,770 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:44:16,798 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:44:16,799 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:44:16,799 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:44:16,799 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:44:16,799 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:44:16,799 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:44:16,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:44:16,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:44:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-25 08:44:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:44:16,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:16,843 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] [2020-09-25 08:44:16,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:16,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:16,851 INFO L82 PathProgramCache]: Analyzing trace with hash -303745462, now seen corresponding path program 1 times [2020-09-25 08:44:16,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:16,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494620634] [2020-09-25 08:44:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:18,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:44:22,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 08:44:22,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:22,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:22,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:44:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:44:22,711 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:22,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:22,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 08:44:22,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:22,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:22,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:22,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:22,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:22,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:22,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:22,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:23,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:23,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:23,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:23,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:23,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:23,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:23,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:23,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:23,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:23,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:23,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:23,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:23,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:23,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:44:23,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:23,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:23,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:23,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:23,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:23,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:23,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:44:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:23,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:23,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:44:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:23,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:23,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:23,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494620634] [2020-09-25 08:44:23,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:23,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:44:23,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674836977] [2020-09-25 08:44:23,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:44:23,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:23,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:44:23,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:44:23,181 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 3 states. [2020-09-25 08:44:24,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:24,774 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 08:44:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:44:24,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:44:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:24,797 INFO L225 Difference]: With dead ends: 436 [2020-09-25 08:44:24,798 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 08:44:24,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:44:24,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 08:44:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 08:44:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 08:44:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 08:44:24,916 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 08:44:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:24,918 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 08:44:24,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:44:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 08:44:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:44:24,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:24,923 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] [2020-09-25 08:44:24,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:44:24,924 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:24,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:24,924 INFO L82 PathProgramCache]: Analyzing trace with hash 2117068885, now seen corresponding path program 1 times [2020-09-25 08:44:24,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:24,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056373251] [2020-09-25 08:44:24,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:25,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:25,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:27,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:44:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:44:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 08:44:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:44:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:44:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,365 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:30,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:30,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 08:44:30,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:30,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:30,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:30,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:30,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:30,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:44:30,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:30,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:44:30,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:30,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:30,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:44:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:30,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:44:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:30,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:30,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:30,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:30,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:30,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:30,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:30,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:30,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:30,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:30,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056373251] [2020-09-25 08:44:30,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:30,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:44:30,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876570426] [2020-09-25 08:44:30,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:44:30,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:30,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:44:30,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:44:30,620 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 08:44:31,268 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:44:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:32,187 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 08:44:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:44:32,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:44:32,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:32,192 INFO L225 Difference]: With dead ends: 343 [2020-09-25 08:44:32,192 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 08:44:32,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:44:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 08:44:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 08:44:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 08:44:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 08:44:32,234 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 08:44:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:32,235 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 08:44:32,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:44:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 08:44:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 08:44:32,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:32,239 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] [2020-09-25 08:44:32,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:44:32,239 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:32,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:32,240 INFO L82 PathProgramCache]: Analyzing trace with hash -2011327752, now seen corresponding path program 1 times [2020-09-25 08:44:32,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:32,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264084854] [2020-09-25 08:44:32,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:32,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:32,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 08:44:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 08:44:37,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:44:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:44:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,617 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:37,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:37,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:37,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:37,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 08:44:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:44:37,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:37,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:44:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:44:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:37,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:37,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:44:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:37,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:37,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:37,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:37,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:37,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264084854] [2020-09-25 08:44:37,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:37,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:44:37,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724153317] [2020-09-25 08:44:37,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:44:37,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:37,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:44:37,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:44:37,848 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 08:44:38,409 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:40,207 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 08:44:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:44:40,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 08:44:40,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:40,216 INFO L225 Difference]: With dead ends: 518 [2020-09-25 08:44:40,216 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 08:44:40,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:44:40,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 08:44:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 08:44:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 08:44:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 08:44:40,281 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 08:44:40,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:40,281 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 08:44:40,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:44:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 08:44:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:44:40,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:40,285 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] [2020-09-25 08:44:40,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:44:40,286 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:40,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:40,286 INFO L82 PathProgramCache]: Analyzing trace with hash -424012329, now seen corresponding path program 1 times [2020-09-25 08:44:40,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:40,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913855833] [2020-09-25 08:44:40,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:45,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 08:44:45,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:45,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 08:44:45,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:45,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:44:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 08:44:45,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 08:44:45,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:45,802 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:45,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:45,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:45,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 08:44:45,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:45,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:45,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:45,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:45,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:45,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:45,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:45,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:45,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:45,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:45,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:45,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:45,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:45,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:45,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:45,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:45,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:45,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:45,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:45,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:45,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:45,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:46,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 08:44:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:46,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:46,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:44:46,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:46,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:44:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:46,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:44:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:46,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:46,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:46,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:46,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 08:44:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:46,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:46,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:44:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:46,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:44:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:46,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913855833] [2020-09-25 08:44:46,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:46,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:44:46,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43126458] [2020-09-25 08:44:46,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:44:46,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:46,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:44:46,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:44:46,166 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 08:44:46,858 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:47,973 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:44:48,352 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:44:48,708 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,023 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:44:49,288 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:49,536 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 08:44:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:44:49,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 08:44:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:49,538 INFO L225 Difference]: With dead ends: 527 [2020-09-25 08:44:49,538 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:44:49,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:44:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:44:49,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:44:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:44:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:44:49,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 08:44:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:49,542 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:44:49,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:44:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:44:49,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:44:49,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:44:49,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:44:49,709 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:44:49,877 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,042 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:50,201 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,539 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:50,876 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:51,198 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:51,442 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:44:51,604 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:51,753 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:51,904 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,157 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 08:44:52,260 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 08:44:52,415 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,719 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:44:53,022 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:44:53,325 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 08:44:53,465 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:53,609 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:53,760 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,909 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,058 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,206 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,351 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:54,502 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,646 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:54,801 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,951 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:55,099 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:55,242 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:55,391 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:55,540 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:55,684 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:55,832 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:55,981 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:56,130 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:56,279 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:56,444 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:56,591 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:56,739 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:56,891 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:57,039 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:57,362 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:57,672 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:57,982 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:44:58,213 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 08:44:58,465 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:58,613 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:58,761 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:58,919 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:59,065 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:59,213 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:59,565 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:59,734 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:59,883 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:00,027 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:00,176 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:00,324 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:00,472 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:00,896 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 08:45:01,090 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:45:01,493 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 08:45:01,729 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:45:02,039 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:45:02,266 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 08:45:02,536 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:02,762 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:45:03,157 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 08:45:03,370 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 08:45:03,665 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 08:45:03,861 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1