/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:16:24,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:16:24,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:16:24,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:16:24,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:16:24,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:16:24,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:16:24,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:16:24,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:16:24,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:16:24,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:16:24,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:16:24,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:16:24,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:16:24,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:16:24,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:16:24,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:16:24,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:16:24,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:16:24,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:16:24,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:16:24,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:16:24,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:16:24,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:16:24,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:16:24,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:16:24,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:16:25,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:16:25,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:16:25,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:16:25,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:16:25,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:16:25,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:16:25,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:16:25,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:16:25,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:16:25,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:16:25,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:16:25,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:16:25,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:16:25,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:16:25,016 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 06:16:25,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:16:25,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:16:25,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:16:25,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:16:25,063 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:16:25,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:16:25,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:16:25,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:16:25,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:16:25,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:16:25,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:16:25,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:16:25,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:16:25,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:16:25,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:16:25,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:16:25,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:16:25,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:16:25,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:16:25,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:16:25,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:16:25,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:16:25,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:16:25,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:16:25,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:16:25,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:16:25,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:16:25,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:16:25,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:16:25,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:16:25,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:16:25,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:16:25,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:16:25,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:16:25,555 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:16:25,556 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 06:16:25,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08882f336/b83f343bbd1743f796165bc5d4c66aac/FLAG66ea5e0ae [2020-09-25 06:16:26,263 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:16:26,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 06:16:26,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08882f336/b83f343bbd1743f796165bc5d4c66aac/FLAG66ea5e0ae [2020-09-25 06:16:26,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08882f336/b83f343bbd1743f796165bc5d4c66aac [2020-09-25 06:16:26,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:16:26,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:16:26,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:26,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:16:26,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:16:26,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c63137c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:26, skipping insertion in model container [2020-09-25 06:16:26,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:16:26,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:16:27,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,148 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:16:27,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,310 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:16:27,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27 WrapperNode [2020-09-25 06:16:27,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:27,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:16:27,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:16:27,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:16:27,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:16:27,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:16:27,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (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 06:16:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:16:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:16:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:16:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:16:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:16:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:16:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:16:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:16:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:16:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:16:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:16:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:16:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:16:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:16:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:16:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:16:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:16:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:16:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:16:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:16:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:16:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:16:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:16:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:16:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:16:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:16:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:16:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:16:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:16:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:16:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:16:28,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:16:28,706 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:16:28,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28 BoogieIcfgContainer [2020-09-25 06:16:28,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:16:28,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:16:28,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:16:28,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:16:28,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:16:26" (1/3) ... [2020-09-25 06:16:28,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570b30b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (2/3) ... [2020-09-25 06:16:28,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570b30b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28" (3/3) ... [2020-09-25 06:16:28,726 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-09-25 06:16:28,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:16:28,750 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:16:28,773 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:16:28,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:16:28,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:16:28,806 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:16:28,806 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:16:28,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:16:28,806 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:16:28,806 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:16:28,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:16:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2020-09-25 06:16:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:16:28,871 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:28,873 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 06:16:28,873 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1731380127, now seen corresponding path program 1 times [2020-09-25 06:16:28,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:28,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672525401] [2020-09-25 06:16:28,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:29,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:31,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:32,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:16:34,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 06:16:34,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:16:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:16:34,651 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:34,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:34,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 06:16:34,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:34,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:34,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:34,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:16:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:34,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:16:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:35,024 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 06:16:35,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672525401] [2020-09-25 06:16:35,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:35,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:16:35,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113788617] [2020-09-25 06:16:35,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:16:35,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:35,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:16:35,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:16:35,074 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 3 states. [2020-09-25 06:16:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:36,576 INFO L93 Difference]: Finished difference Result 469 states and 565 transitions. [2020-09-25 06:16:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:16:36,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:16:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:36,599 INFO L225 Difference]: With dead ends: 469 [2020-09-25 06:16:36,600 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 06:16:36,606 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 06:16:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 06:16:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 250. [2020-09-25 06:16:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-09-25 06:16:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions. [2020-09-25 06:16:36,721 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 142 [2020-09-25 06:16:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:36,722 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 274 transitions. [2020-09-25 06:16:36,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:16:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions. [2020-09-25 06:16:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:16:36,728 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:36,728 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 06:16:36,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:16:36,729 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:36,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:36,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1802899924, now seen corresponding path program 1 times [2020-09-25 06:16:36,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:36,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590741351] [2020-09-25 06:16:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:37,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:39,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:40,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:41,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:41,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:16:41,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:16:41,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 06:16:41,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:41,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:16:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:16:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,128 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:42,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 06:16:42,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:42,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:16:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:16:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,407 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 06:16:42,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590741351] [2020-09-25 06:16:42,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:42,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:16:42,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620606565] [2020-09-25 06:16:42,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:16:42,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:42,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:16:42,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:16:42,417 INFO L87 Difference]: Start difference. First operand 250 states and 274 transitions. Second operand 4 states. [2020-09-25 06:16:43,097 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:44,180 INFO L93 Difference]: Finished difference Result 380 states and 432 transitions. [2020-09-25 06:16:44,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:16:44,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:16:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:44,187 INFO L225 Difference]: With dead ends: 380 [2020-09-25 06:16:44,187 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 06:16:44,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:16:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 06:16:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 240. [2020-09-25 06:16:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-25 06:16:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 261 transitions. [2020-09-25 06:16:44,237 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 261 transitions. Word has length 143 [2020-09-25 06:16:44,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:44,238 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 261 transitions. [2020-09-25 06:16:44,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:16:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2020-09-25 06:16:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 06:16:44,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:44,242 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] [2020-09-25 06:16:44,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:16:44,242 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:44,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:44,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1907592051, now seen corresponding path program 1 times [2020-09-25 06:16:44,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:44,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43722937] [2020-09-25 06:16:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:45,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 06:16:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:16:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 06:16:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:16:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 06:16:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 06:16:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,657 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:49,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 06:16:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 06:16:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:16:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:16:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 06:16:50,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:16:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 06:16:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:50,089 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 06:16:50,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43722937] [2020-09-25 06:16:50,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:50,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:16:50,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910056187] [2020-09-25 06:16:50,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:16:50,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:50,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:16:50,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:16:50,096 INFO L87 Difference]: Start difference. First operand 240 states and 261 transitions. Second operand 5 states. [2020-09-25 06:16:50,596 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:16:51,354 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:53,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:53,045 INFO L93 Difference]: Finished difference Result 631 states and 734 transitions. [2020-09-25 06:16:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:16:53,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 06:16:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:53,059 INFO L225 Difference]: With dead ends: 631 [2020-09-25 06:16:53,059 INFO L226 Difference]: Without dead ends: 501 [2020-09-25 06:16:53,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:16:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-25 06:16:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 434. [2020-09-25 06:16:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-25 06:16:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 490 transitions. [2020-09-25 06:16:53,171 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 490 transitions. Word has length 152 [2020-09-25 06:16:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:53,172 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 490 transitions. [2020-09-25 06:16:53,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:16:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2020-09-25 06:16:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:16:53,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:53,176 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 06:16:53,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:16:53,176 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:53,177 INFO L82 PathProgramCache]: Analyzing trace with hash 903554745, now seen corresponding path program 1 times [2020-09-25 06:16:53,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:53,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431046343] [2020-09-25 06:16:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:53,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:54,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:54,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:16:58,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:16:58,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:16:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,606 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:58,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 06:16:58,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:58,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:58,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:58,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:58,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:16:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:16:58,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:58,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:16:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:16:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:58,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:16:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:58,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:58,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:58,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:58,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:16:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:58,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:16:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:58,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:58,928 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 06:16:58,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431046343] [2020-09-25 06:16:58,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:58,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:16:58,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574652401] [2020-09-25 06:16:58,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:16:58,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:58,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:16:58,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:16:58,932 INFO L87 Difference]: Start difference. First operand 434 states and 490 transitions. Second operand 9 states. [2020-09-25 06:16:59,644 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:00,941 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:01,249 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:17:01,575 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:01,910 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:17:02,223 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:17:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:02,410 INFO L93 Difference]: Finished difference Result 680 states and 796 transitions. [2020-09-25 06:17:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:17:02,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:17:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:02,411 INFO L225 Difference]: With dead ends: 680 [2020-09-25 06:17:02,411 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:17:02,414 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 06:17:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:17:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:17:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:17:02,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:17:02,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:17:02,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:02,415 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:17:02,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:17:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:17:02,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:17:02,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:17:02,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:17:02,569 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 06:17:02,744 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:02,910 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,071 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,241 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,406 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,569 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,735 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:03,893 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:04,052 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:04,213 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:04,324 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 06:17:04,433 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 06:17:04,540 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 06:17:04,683 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:04,845 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:04,998 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,152 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,301 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:05,461 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,616 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:05,764 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:05,918 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,074 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,227 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,383 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,531 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:06,683 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,842 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:06,995 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,144 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:07,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,450 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,603 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,758 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:07,910 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:08,063 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:08,386 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:08,628 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:08,946 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:09,190 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:09,345 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,517 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,625 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 06:17:09,777 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:09,929 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,083 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:10,236 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,388 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:10,543 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,704 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:10,874 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,037 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,207 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,358 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:11,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,665 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:11,818 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:11,971 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:12,125 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:12,280 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:12,432 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:17:12,581 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:17:12,899 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:13,144 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:13,461 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:13,705 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 06:17:14,129 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 06:17:14,318 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:17:14,529 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 06:17:14,932 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 06:17:15,154 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 06:17:15,382 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22