/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:16:24,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:16:24,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:16:24,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:16:24,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:16:24,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:16:24,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:16:24,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:16:24,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:16:24,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:16:24,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:16:24,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:16:24,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:16:24,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:16:24,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:16:24,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:16:24,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:16:24,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:16:24,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:16:24,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:16:24,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:16:24,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:16:24,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:16:24,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:16:24,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:16:24,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:16:24,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:16:24,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:16:24,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:16:24,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:16:24,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:16:24,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:16:24,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:16:24,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:16:24,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:16:24,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:16:24,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:16:24,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:16:24,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:16:24,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:16:24,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:16:24,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 06:16:24,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:16:24,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:16:24,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:16:24,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:16:24,824 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:16:24,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:16:24,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:16:24,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:16:24,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:16:24,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:16:24,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:16:24,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:16:24,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:16:24,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:16:24,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:16:24,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:16:24,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:16:24,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:16:24,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:16:24,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:16:24,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:16:24,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:16:24,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:16:24,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:16:24,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:16:24,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:16:24,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:16:24,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:16:24,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:16:24,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:16:25,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:16:25,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:16:25,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:16:25,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:16:25,368 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:16:25,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-09-25 06:16:25,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91fcc1f33/51d16abbdaa241fd9ec67e9a31e52008/FLAGe293bf7a6 [2020-09-25 06:16:26,088 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:16:26,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-09-25 06:16:26,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91fcc1f33/51d16abbdaa241fd9ec67e9a31e52008/FLAGe293bf7a6 [2020-09-25 06:16:26,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91fcc1f33/51d16abbdaa241fd9ec67e9a31e52008 [2020-09-25 06:16:26,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:16:26,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:16:26,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:26,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:16:26,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:16:26,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:26, skipping insertion in model container [2020-09-25 06:16:26,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:16:26" (1/1) ... [2020-09-25 06:16:26,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:16:26,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:16:27,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,050 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:16:27,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:16:27,219 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:16:27,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27 WrapperNode [2020-09-25 06:16:27,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:16:27,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:16:27,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:16:27,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... [2020-09-25 06:16:27,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:16:27,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:16:27,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:16:27,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:16:27,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:16:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:16:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:16:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:16:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:16:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:16:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:16:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:16:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:16:27,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:16:28,760 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:16:28,760 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:16:28,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28 BoogieIcfgContainer [2020-09-25 06:16:28,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:16:28,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:16:28,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:16:28,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:16:28,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:16:26" (1/3) ... [2020-09-25 06:16:28,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950fbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:16:27" (2/3) ... [2020-09-25 06:16:28,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3950fbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:16:28, skipping insertion in model container [2020-09-25 06:16:28,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:16:28" (3/3) ... [2020-09-25 06:16:28,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-09-25 06:16:28,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:16:28,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:16:28,824 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:16:28,857 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:16:28,858 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:16:28,858 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:16:28,858 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:16:28,858 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:16:28,858 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:16:28,858 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:16:28,858 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:16:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-09-25 06:16:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:16:28,903 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:28,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:28,905 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:28,913 INFO L82 PathProgramCache]: Analyzing trace with hash -925877919, now seen corresponding path program 1 times [2020-09-25 06:16:28,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:28,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150364441] [2020-09-25 06:16:28,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:30,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:31,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:16:34,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:34,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 06:16:34,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:16:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:16:34,727 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:34,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 06:16:34,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:34,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:34,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:16:34,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:34,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:34,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:34,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:16:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:34,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:16:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:34,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:34,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:34,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:34,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:34,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:34,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:34,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:34,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:16:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:35,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150364441] [2020-09-25 06:16:35,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:35,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:16:35,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045659235] [2020-09-25 06:16:35,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:16:35,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:35,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:16:35,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:16:35,129 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 3 states. [2020-09-25 06:16:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:36,850 INFO L93 Difference]: Finished difference Result 464 states and 556 transitions. [2020-09-25 06:16:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:16:36,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:16:36,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:36,881 INFO L225 Difference]: With dead ends: 464 [2020-09-25 06:16:36,881 INFO L226 Difference]: Without dead ends: 290 [2020-09-25 06:16:36,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:16:36,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-25 06:16:36,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 248. [2020-09-25 06:16:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-09-25 06:16:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 270 transitions. [2020-09-25 06:16:36,990 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 270 transitions. Word has length 142 [2020-09-25 06:16:36,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:36,991 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 270 transitions. [2020-09-25 06:16:36,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:16:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 270 transitions. [2020-09-25 06:16:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:16:36,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:36,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:36,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:16:36,998 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:36,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1511669263, now seen corresponding path program 1 times [2020-09-25 06:16:36,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:36,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588588296] [2020-09-25 06:16:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:38,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:39,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:16:42,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:16:42,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 06:16:42,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:16:42,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:16:42,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,412 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:42,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 06:16:42,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:42,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:42,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:16:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:42,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:16:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:42,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:42,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:42,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:42,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:42,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:42,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588588296] [2020-09-25 06:16:42,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:42,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:16:42,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158250793] [2020-09-25 06:16:42,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:16:42,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:42,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:16:42,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:16:42,708 INFO L87 Difference]: Start difference. First operand 248 states and 270 transitions. Second operand 4 states. [2020-09-25 06:16:43,403 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:16:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:44,382 INFO L93 Difference]: Finished difference Result 377 states and 427 transitions. [2020-09-25 06:16:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:16:44,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:16:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:44,388 INFO L225 Difference]: With dead ends: 377 [2020-09-25 06:16:44,388 INFO L226 Difference]: Without dead ends: 273 [2020-09-25 06:16:44,390 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 06:16:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-25 06:16:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 238. [2020-09-25 06:16:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-25 06:16:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 257 transitions. [2020-09-25 06:16:44,437 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 257 transitions. Word has length 143 [2020-09-25 06:16:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:44,438 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 257 transitions. [2020-09-25 06:16:44,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:16:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 257 transitions. [2020-09-25 06:16:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:16:44,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:44,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:44,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:16:44,443 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:44,443 INFO L82 PathProgramCache]: Analyzing trace with hash 121179597, now seen corresponding path program 1 times [2020-09-25 06:16:44,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:44,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545664842] [2020-09-25 06:16:44,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:16:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:16:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 06:16:49,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:16:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:16:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,808 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:49,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 06:16:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:49,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:49,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:16:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:16:50,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:16:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:16:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:50,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:16:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:50,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:50,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:16:50,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:50,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:50,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545664842] [2020-09-25 06:16:50,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:50,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:16:50,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573702211] [2020-09-25 06:16:50,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:16:50,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:16:50,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:16:50,072 INFO L87 Difference]: Start difference. First operand 238 states and 257 transitions. Second operand 5 states. [2020-09-25 06:16:50,571 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:16:51,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:16:51,492 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2020-09-25 06:16:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:16:51,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:16:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:16:51,498 INFO L225 Difference]: With dead ends: 423 [2020-09-25 06:16:51,498 INFO L226 Difference]: Without dead ends: 295 [2020-09-25 06:16:51,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:16:51,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-25 06:16:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 238. [2020-09-25 06:16:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-09-25 06:16:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 256 transitions. [2020-09-25 06:16:51,546 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 256 transitions. Word has length 156 [2020-09-25 06:16:51,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:16:51,547 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 256 transitions. [2020-09-25 06:16:51,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:16:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 256 transitions. [2020-09-25 06:16:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 06:16:51,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:16:51,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:16:51,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:16:51,551 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:16:51,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:16:51,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1221392016, now seen corresponding path program 1 times [2020-09-25 06:16:51,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:16:51,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631319226] [2020-09-25 06:16:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:16:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:52,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:56,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 06:16:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:16:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 06:16:56,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:56,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:16:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-25 06:16:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 06:16:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,040 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:16:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:16:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:16:57,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 06:16:57,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:16:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:57,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:57,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:16:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:57,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:57,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:16:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:57,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:16:57,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:16:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:16:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:16:57,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:57,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:16:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:16:57,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:16:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 06:16:57,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:16:57,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:16:57,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:16:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:16:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:16:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:16:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:16:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:16:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:16:57,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:16:57,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:16:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:16:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:16:57,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:16:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 06:16:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:16:57,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:16:57,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:16:57,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:16:57,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:16:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:16:57,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:16:57,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:16:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:16:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:16:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:16:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:16:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:16:57,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631319226] [2020-09-25 06:16:57,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:16:57,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:16:57,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414709016] [2020-09-25 06:16:57,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:16:57,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:16:57,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:16:57,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:16:57,467 INFO L87 Difference]: Start difference. First operand 238 states and 256 transitions. Second operand 10 states. [2020-09-25 06:16:58,194 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:17:00,118 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 188 [2020-09-25 06:17:01,058 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 06:17:01,380 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:01,681 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:17:01,957 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:17:02,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:17:02,163 INFO L93 Difference]: Finished difference Result 362 states and 414 transitions. [2020-09-25 06:17:02,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 06:17:02,163 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-09-25 06:17:02,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:17:02,165 INFO L225 Difference]: With dead ends: 362 [2020-09-25 06:17:02,165 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:17:02,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 06:17:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:17:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:17:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:17:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:17:02,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 06:17:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:17:02,168 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:17:02,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:17:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:17:02,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:17:02,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:17:02,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:17:02,358 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:02,530 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:02,690 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:03,020 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:03,346 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:03,665 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:03,815 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:03,965 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:04,241 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 185 [2020-09-25 06:17:04,394 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:04,558 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:04,719 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:04,868 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,016 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,166 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,316 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,455 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:05,605 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,754 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:05,903 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,054 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,202 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,351 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,502 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,650 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,798 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:06,947 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,096 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,245 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,392 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,541 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,695 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:07,951 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 185 [2020-09-25 06:17:08,262 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:08,571 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:08,877 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 06:17:09,135 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 185 [2020-09-25 06:17:09,384 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 185 [2020-09-25 06:17:09,540 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:09,692 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:09,850 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:10,004 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:10,251 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 185 [2020-09-25 06:17:10,398 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:10,551 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:10,707 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:17:10,938 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 06:17:11,157 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:17:11,365 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 06:17:11,570 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-09-25 06:17:11,834 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 06:17:12,058 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:17:12,273 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:17:12,478 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 06:17:12,745 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:17:12,945 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-09-25 06:17:13,176 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-25 06:17:13,379 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-25 06:17:13,570 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-25 06:17:13,721 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:17:13,955 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-09-25 06:17:14,249 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:17:14,448 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20