/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=0.8 --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 07:25:24,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:25:24,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:25:24,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:25:24,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:25:24,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:25:24,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:25:24,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:25:24,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:25:24,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:25:24,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:25:24,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:25:24,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:25:24,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:25:24,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:25:24,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:25:24,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:25:24,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:25:24,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:25:24,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:25:24,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:25:24,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:25:24,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:25:24,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:25:24,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:25:24,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:25:24,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:25:24,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:25:24,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:25:24,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:25:24,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:25:24,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:25:24,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:25:24,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:25:24,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:25:24,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:25:24,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:25:24,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:25:24,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:25:24,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:25:24,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:25:24,777 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 07:25:24,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:25:24,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:25:24,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:25:24,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:25:24,822 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:25:24,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:25:24,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:25:24,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:25:24,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:25:24,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:25:24,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:25:24,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:25:24,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:25:24,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:25:24,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:25:24,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:25:24,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:25:24,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:25:24,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:25:24,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:25:24,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:25:24,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:25:24,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:25:24,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:25:24,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:25:24,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:25:24,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:25:24,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:25:24,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:25:24,833 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true; [2020-09-25 07:25:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:25:25,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:25:25,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:25:25,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:25:25,373 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:25:25,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 07:25:25,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c84d02e5e/b10551e6eb564a38a6ba924a1bb22761/FLAG8ce08f0fe [2020-09-25 07:25:26,075 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:25:26,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-09-25 07:25:26,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c84d02e5e/b10551e6eb564a38a6ba924a1bb22761/FLAG8ce08f0fe [2020-09-25 07:25:26,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c84d02e5e/b10551e6eb564a38a6ba924a1bb22761 [2020-09-25 07:25:26,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:25:26,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:25:26,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:26,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:25:26,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:25:26,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:26" (1/1) ... [2020-09-25 07:25:26,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc06ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:26, skipping insertion in model container [2020-09-25 07:25:26,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:26" (1/1) ... [2020-09-25 07:25:26,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:25:26,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:25:26,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:26,964 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:25:27,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:27,094 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:25:27,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27 WrapperNode [2020-09-25 07:25:27,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:27,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:25:27,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:25:27,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:25:27,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (1/1) ... [2020-09-25 07:25:27,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:25:27,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:25:27,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:25:27,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:25:27,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (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 07:25:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:25:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:25:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:25:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:25:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:25:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:25:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:25:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:25:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:25:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:25:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:25:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:25:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:25:27,293 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:25:27,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:25:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:25:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:25:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:25:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:25:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:25:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:25:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:25:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:25:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:25:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:25:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:25:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:25:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:25:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:25:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:25:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:25:27,303 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:25:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:25:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:25:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:25:27,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:25:28,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:25:28,479 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:25:28,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:28 BoogieIcfgContainer [2020-09-25 07:25:28,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:25:28,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:25:28,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:25:28,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:25:28,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:25:26" (1/3) ... [2020-09-25 07:25:28,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82b9164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:28, skipping insertion in model container [2020-09-25 07:25:28,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:27" (2/3) ... [2020-09-25 07:25:28,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82b9164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:28, skipping insertion in model container [2020-09-25 07:25:28,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:28" (3/3) ... [2020-09-25 07:25:28,497 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-09-25 07:25:28,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:25:28,522 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:25:28,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:25:28,581 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:25:28,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:25:28,581 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:25:28,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:25:28,581 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:25:28,582 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:25:28,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:25:28,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:25:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2020-09-25 07:25:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:25:28,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:28,632 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 07:25:28,633 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:28,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:28,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1731380127, now seen corresponding path program 1 times [2020-09-25 07:25:28,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:28,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43219398] [2020-09-25 07:25:28,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:30,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:25:34,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 07:25:34,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:25:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 07:25:34,611 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:34,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 07:25:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:34,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:34,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:25:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:34,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:34,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:25:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:34,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:34,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:34,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:34,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:34,949 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 07:25:34,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43219398] [2020-09-25 07:25:34,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:34,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:25:34,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211717978] [2020-09-25 07:25:34,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:25:34,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:34,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:25:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:34,986 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 3 states. [2020-09-25 07:25:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:36,461 INFO L93 Difference]: Finished difference Result 469 states and 565 transitions. [2020-09-25 07:25:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:25:36,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:25:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:36,484 INFO L225 Difference]: With dead ends: 469 [2020-09-25 07:25:36,485 INFO L226 Difference]: Without dead ends: 293 [2020-09-25 07:25:36,492 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 07:25:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-25 07:25:36,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 250. [2020-09-25 07:25:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-09-25 07:25:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions. [2020-09-25 07:25:36,606 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 142 [2020-09-25 07:25:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:36,607 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 274 transitions. [2020-09-25 07:25:36,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:25:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions. [2020-09-25 07:25:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:25:36,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:36,614 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 07:25:36,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:25:36,614 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:36,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:36,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1802899924, now seen corresponding path program 1 times [2020-09-25 07:25:36,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:36,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924354622] [2020-09-25 07:25:36,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:38,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:39,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:41,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:41,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:25:41,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:25:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 07:25:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:41,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:25:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,037 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:42,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:42,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 07:25:42,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:42,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:42,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:42,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:42,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:42,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:42,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:42,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:25:42,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:42,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:42,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:42,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:25:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:42,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:42,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:25:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:42,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:42,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:42,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:42,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:42,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:42,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:42,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:42,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:42,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:42,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:42,264 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 07:25:42,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924354622] [2020-09-25 07:25:42,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:42,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:25:42,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339759278] [2020-09-25 07:25:42,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:25:42,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:42,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:25:42,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:25:42,275 INFO L87 Difference]: Start difference. First operand 250 states and 274 transitions. Second operand 4 states. [2020-09-25 07:25:42,989 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:44,002 INFO L93 Difference]: Finished difference Result 380 states and 432 transitions. [2020-09-25 07:25:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:25:44,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:25:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:44,016 INFO L225 Difference]: With dead ends: 380 [2020-09-25 07:25:44,020 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 07:25:44,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 07:25:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 240. [2020-09-25 07:25:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-25 07:25:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 261 transitions. [2020-09-25 07:25:44,081 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 261 transitions. Word has length 143 [2020-09-25 07:25:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:44,082 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 261 transitions. [2020-09-25 07:25:44,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:25:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2020-09-25 07:25:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 07:25:44,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:44,086 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 07:25:44,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:25:44,086 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:44,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:44,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1907592051, now seen corresponding path program 1 times [2020-09-25 07:25:44,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:44,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194373791] [2020-09-25 07:25:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:49,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 07:25:49,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:25:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 07:25:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:49,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 07:25:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 07:25:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:49,535 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:49,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:49,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:49,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:49,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-25 07:25:49,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:49,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 07:25:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:50,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 07:25:50,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:50,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:50,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:50,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:50,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 07:25:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:50,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:50,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:50,108 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 07:25:50,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194373791] [2020-09-25 07:25:50,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:50,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:25:50,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969974938] [2020-09-25 07:25:50,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:25:50,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:50,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:25:50,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:50,111 INFO L87 Difference]: Start difference. First operand 240 states and 261 transitions. Second operand 5 states. [2020-09-25 07:25:50,587 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:51,360 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:53,055 INFO L93 Difference]: Finished difference Result 631 states and 734 transitions. [2020-09-25 07:25:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:25:53,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 07:25:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:53,063 INFO L225 Difference]: With dead ends: 631 [2020-09-25 07:25:53,063 INFO L226 Difference]: Without dead ends: 501 [2020-09-25 07:25:53,064 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 07:25:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-25 07:25:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 434. [2020-09-25 07:25:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-25 07:25:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 490 transitions. [2020-09-25 07:25:53,152 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 490 transitions. Word has length 152 [2020-09-25 07:25:53,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:53,153 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 490 transitions. [2020-09-25 07:25:53,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:25:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2020-09-25 07:25:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:25:53,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:53,158 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 07:25:53,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:25:53,159 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:53,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:53,159 INFO L82 PathProgramCache]: Analyzing trace with hash 903554745, now seen corresponding path program 1 times [2020-09-25 07:25:53,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:53,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640548889] [2020-09-25 07:25:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:54,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:57,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:25:58,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 07:25:58,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:25:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:25:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:58,595 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:58,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 07:25:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:58,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:58,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:58,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:58,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:58,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:58,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:58,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:25:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:25:58,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:25:58,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:25:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:25:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:25:58,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:25:58,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:25:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:58,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:58,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:58,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:58,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:58,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 07:25:58,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:58,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:25:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:58,956 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 07:25:58,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640548889] [2020-09-25 07:25:58,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:58,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:25:58,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878395531] [2020-09-25 07:25:58,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:25:58,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:25:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:25:58,960 INFO L87 Difference]: Start difference. First operand 434 states and 490 transitions. Second operand 9 states. [2020-09-25 07:25:59,658 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:00,913 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:01,229 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:26:01,548 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:26:01,887 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:26:02,197 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:26:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:26:02,380 INFO L93 Difference]: Finished difference Result 680 states and 796 transitions. [2020-09-25 07:26:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:26:02,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:26:02,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:26:02,382 INFO L225 Difference]: With dead ends: 680 [2020-09-25 07:26:02,382 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:26:02,385 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 07:26:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:26:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:26:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:26:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:26:02,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:26:02,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:26:02,387 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:26:02,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:26:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:26:02,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:26:02,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:26:02,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:26:02,546 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:02,733 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:02,913 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,091 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,272 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,450 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,623 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,803 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:03,968 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:04,133 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:04,298 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:04,406 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:04,532 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:04,646 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 07:26:04,788 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:04,956 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,114 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,271 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,432 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:05,595 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,749 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:05,898 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:06,052 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,208 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,362 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,517 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,666 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:06,820 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:06,990 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,143 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,292 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:07,445 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,600 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,754 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:07,916 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,069 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,224 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:08,545 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:08,789 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:09,106 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:09,352 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:09,507 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:09,681 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:09,935 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,088 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,242 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:10,394 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,545 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:10,699 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:10,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,020 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,172 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,338 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,488 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:11,641 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,795 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:11,948 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:12,101 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,256 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,561 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:26:12,721 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:26:13,040 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:13,285 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:13,606 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 07:26:13,857 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 07:26:14,275 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 07:26:14,470 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22