/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:38:23,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:38:23,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:38:23,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:38:23,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:38:23,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:38:23,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:38:23,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:38:23,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:38:23,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:38:23,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:38:23,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:38:23,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:38:23,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:38:23,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:38:23,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:38:23,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:38:23,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:38:23,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:38:23,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:38:23,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:38:23,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:38:23,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:38:23,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:38:23,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:38:23,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:38:23,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:38:23,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:38:23,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:38:23,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:38:23,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:38:23,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:38:23,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:38:23,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:38:23,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:38:23,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:38:23,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:38:23,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:38:23,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:38:23,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:38:23,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:38:23,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 07:38:23,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:38:23,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:38:23,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:38:23,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:38:23,827 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:38:23,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:38:23,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:38:23,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:38:23,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:38:23,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:38:23,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:38:23,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:38:23,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:38:23,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:38:23,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:38:23,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:38:23,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:38:23,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:38:23,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:38:23,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:38:23,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:38:23,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:38:23,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:38:23,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:38:23,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:38:23,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:38:23,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:38:23,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:38:23,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:38:23,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:38:24,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:38:24,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:38:24,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:38:24,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:38:24,337 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:38:24,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2020-09-25 07:38:24,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/631045d5d/3582916487da4c639546d4057e294f83/FLAG8104371ba [2020-09-25 07:38:25,118 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:38:25,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2020-09-25 07:38:25,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/631045d5d/3582916487da4c639546d4057e294f83/FLAG8104371ba [2020-09-25 07:38:25,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/631045d5d/3582916487da4c639546d4057e294f83 [2020-09-25 07:38:25,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:38:25,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:38:25,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:38:25,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:38:25,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:38:25,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:38:25" (1/1) ... [2020-09-25 07:38:25,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:25, skipping insertion in model container [2020-09-25 07:38:25,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:38:25" (1/1) ... [2020-09-25 07:38:25,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:38:25,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:38:25,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:38:25,800 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:38:25,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:38:26,038 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:38:26,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26 WrapperNode [2020-09-25 07:38:26,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:38:26,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:38:26,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:38:26,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:38:26,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... [2020-09-25 07:38:26,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:38:26,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:38:26,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:38:26,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:38:26,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:38:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:38:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:38:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:38:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:38:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:38:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:38:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:38:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:38:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:38:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:38:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:38:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:38:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:38:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:38:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:38:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:38:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:38:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:38:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:38:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:38:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:38:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:38:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:38:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:38:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:38:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 07:38:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:38:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:38:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:38:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:38:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:38:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:38:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:38:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:38:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:38:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:38:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:38:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:38:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:38:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:38:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:38:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:38:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:38:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:38:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:38:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:38:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:38:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:38:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:38:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:38:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:38:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 07:38:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 07:38:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 07:38:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:38:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:38:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:38:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:38:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:38:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:38:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:38:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:38:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:38:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:38:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:38:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:38:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:38:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:38:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:38:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:38:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:38:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:38:27,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:38:27,479 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:38:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:38:27 BoogieIcfgContainer [2020-09-25 07:38:27,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:38:27,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:38:27,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:38:27,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:38:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:38:25" (1/3) ... [2020-09-25 07:38:27,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596ed872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:38:27, skipping insertion in model container [2020-09-25 07:38:27,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:38:26" (2/3) ... [2020-09-25 07:38:27,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596ed872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:38:27, skipping insertion in model container [2020-09-25 07:38:27,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:38:27" (3/3) ... [2020-09-25 07:38:27,496 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2020-09-25 07:38:27,508 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:38:27,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:38:27,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:38:27,573 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:38:27,573 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:38:27,573 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:38:27,573 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:38:27,574 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:38:27,574 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:38:27,574 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:38:27,574 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:38:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2020-09-25 07:38:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:38:27,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:38:27,622 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:38:27,623 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:38:27,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:38:27,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1413214232, now seen corresponding path program 1 times [2020-09-25 07:38:27,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:38:27,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026027708] [2020-09-25 07:38:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:38:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:30,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 07:38:33,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:38:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 07:38:33,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 07:38:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:38:33,453 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:38:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:38:33,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 07:38:33,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:38:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:33,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:38:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:33,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:33,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:38:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:33,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:38:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:38:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:33,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:38:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:38:33,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:33,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:38:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:38:33,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:38:33,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:38:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:33,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 07:38:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:33,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:33,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 07:38:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:33,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:33,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:33,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:33,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:33,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:38:33,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026027708] [2020-09-25 07:38:33,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:38:33,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:38:33,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671430047] [2020-09-25 07:38:33,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:38:33,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:38:33,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:38:33,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:38:33,852 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2020-09-25 07:38:35,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:38:35,557 INFO L93 Difference]: Finished difference Result 444 states and 525 transitions. [2020-09-25 07:38:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:38:35,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 07:38:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:38:35,583 INFO L225 Difference]: With dead ends: 444 [2020-09-25 07:38:35,583 INFO L226 Difference]: Without dead ends: 288 [2020-09-25 07:38:35,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:38:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-25 07:38:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 241. [2020-09-25 07:38:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-09-25 07:38:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 261 transitions. [2020-09-25 07:38:35,700 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 261 transitions. Word has length 160 [2020-09-25 07:38:35,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:38:35,701 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 261 transitions. [2020-09-25 07:38:35,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:38:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 261 transitions. [2020-09-25 07:38:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:38:35,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:38:35,706 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:38:35,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:38:35,707 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:38:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:38:35,708 INFO L82 PathProgramCache]: Analyzing trace with hash 574057430, now seen corresponding path program 1 times [2020-09-25 07:38:35,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:38:35,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006956024] [2020-09-25 07:38:35,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:38:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:35,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 07:38:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:38:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 07:38:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:40,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 07:38:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:38:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,191 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:38:41,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:38:41,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 07:38:41,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:38:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:41,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:41,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:38:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:41,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:38:41,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:38:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:38:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:38:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:41,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:41,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:38:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:38:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:38:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:38:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:38:41,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:38:41,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 07:38:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:41,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:41,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:38:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:41,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:41,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:41,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:38:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:41,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:41,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:41,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:41,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:41,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:38:41,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006956024] [2020-09-25 07:38:41,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:38:41,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:38:41,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341236726] [2020-09-25 07:38:41,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:38:41,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:38:41,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:38:41,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:38:41,479 INFO L87 Difference]: Start difference. First operand 241 states and 261 transitions. Second operand 5 states. [2020-09-25 07:38:42,170 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:38:43,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:38:43,049 INFO L93 Difference]: Finished difference Result 363 states and 409 transitions. [2020-09-25 07:38:43,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:38:43,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 07:38:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:38:43,055 INFO L225 Difference]: With dead ends: 363 [2020-09-25 07:38:43,055 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 07:38:43,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 07:38:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 07:38:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 231. [2020-09-25 07:38:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-09-25 07:38:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 248 transitions. [2020-09-25 07:38:43,101 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 248 transitions. Word has length 161 [2020-09-25 07:38:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:38:43,102 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 248 transitions. [2020-09-25 07:38:43,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:38:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2020-09-25 07:38:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 07:38:43,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:38:43,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:38:43,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:38:43,106 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:38:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:38:43,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1217367554, now seen corresponding path program 1 times [2020-09-25 07:38:43,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:38:43,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039458566] [2020-09-25 07:38:43,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:38:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:43,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 07:38:48,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:38:48,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 07:38:48,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:48,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 07:38:48,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 07:38:48,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,534 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:38:48,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:38:48,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 07:38:48,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:38:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:48,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:38:48,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:38:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:48,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:48,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:38:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:38:48,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:38:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:48,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:38:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:38:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:38:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:38:48,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 07:38:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:38:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:38:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:38:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:38:48,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:38:48,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:48,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:38:48,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:38:48,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:48,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:38:48,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 07:38:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:48,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:48,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 07:38:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:48,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:48,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:48,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:48,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:38:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 07:38:48,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039458566] [2020-09-25 07:38:48,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:38:48,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:38:48,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297256338] [2020-09-25 07:38:48,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:38:48,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:38:48,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:38:48,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:38:48,823 INFO L87 Difference]: Start difference. First operand 231 states and 248 transitions. Second operand 6 states. [2020-09-25 07:38:49,411 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:38:51,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:38:51,144 INFO L93 Difference]: Finished difference Result 537 states and 624 transitions. [2020-09-25 07:38:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:38:51,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 07:38:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:38:51,150 INFO L225 Difference]: With dead ends: 537 [2020-09-25 07:38:51,150 INFO L226 Difference]: Without dead ends: 421 [2020-09-25 07:38:51,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:38:51,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-09-25 07:38:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 337. [2020-09-25 07:38:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 07:38:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 372 transitions. [2020-09-25 07:38:51,218 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 372 transitions. Word has length 174 [2020-09-25 07:38:51,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:38:51,219 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 372 transitions. [2020-09-25 07:38:51,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:38:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 372 transitions. [2020-09-25 07:38:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 07:38:51,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:38:51,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:38:51,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:38:51,222 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:38:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:38:51,223 INFO L82 PathProgramCache]: Analyzing trace with hash 820009847, now seen corresponding path program 1 times [2020-09-25 07:38:51,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:38:51,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479633191] [2020-09-25 07:38:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:38:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:52,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 07:38:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:38:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 07:38:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:38:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 07:38:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 07:38:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,759 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:38:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 07:38:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 07:38:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 07:38:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:56,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:56,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 07:38:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 07:38:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:56,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:38:56,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 07:38:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:38:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 07:38:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:56,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:38:56,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:56,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:56,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:56,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 07:38:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:57,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:57,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:38:57,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:57,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:38:57,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:57,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:57,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:38:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:57,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:38:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:57,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:57,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:57,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 07:38:57,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 07:38:57,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:57,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:57,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 07:38:57,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:38:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:57,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:57,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:57,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:57,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:57,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:38:57,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:57,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:38:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:38:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 07:38:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:57,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:38:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:57,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:38:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 07:38:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:38:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:38:57,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:38:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:38:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:38:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:38:57,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:38:57,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:38:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:38:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:38:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:38:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:38:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 07:38:57,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479633191] [2020-09-25 07:38:57,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:38:57,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 07:38:57,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742066682] [2020-09-25 07:38:57,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 07:38:57,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:38:57,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 07:38:57,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:38:57,171 INFO L87 Difference]: Start difference. First operand 337 states and 372 transitions. Second operand 10 states. [2020-09-25 07:38:57,733 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:38:58,691 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:38:59,009 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 07:38:59,899 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 07:39:00,234 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 07:39:00,546 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 07:39:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:39:00,618 INFO L93 Difference]: Finished difference Result 568 states and 674 transitions. [2020-09-25 07:39:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 07:39:00,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 07:39:00,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:39:00,621 INFO L225 Difference]: With dead ends: 568 [2020-09-25 07:39:00,621 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:39:00,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 07:39:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:39:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:39:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:39:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:39:00,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-09-25 07:39:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:39:00,626 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:39:00,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 07:39:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:39:00,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:39:00,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:39:00,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:39:00,817 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:00,987 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:01,175 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:01,301 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 07:39:01,459 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:01,632 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:01,797 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:02,073 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 07:39:02,229 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:02,382 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:02,713 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 07:39:03,035 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 07:39:03,358 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 07:39:03,692 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 07:39:03,839 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:39:03,987 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:04,143 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:04,290 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:04,443 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:04,592 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:04,759 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:04,912 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:05,069 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:05,221 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:05,372 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:05,524 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:05,677 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:05,782 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 07:39:05,940 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:06,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:06,241 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:06,390 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:06,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:06,699 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:06,853 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:07,006 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:07,154 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:07,306 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:07,462 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:07,615 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:07,768 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:07,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:08,073 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:08,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:08,327 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-25 07:39:08,496 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:08,646 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:08,801 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:09,052 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 6 [2020-09-25 07:39:09,207 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:09,314 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-25 07:39:09,462 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:09,617 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:09,771 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:09,920 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:10,075 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:10,236 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:10,395 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:10,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:10,700 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:10,861 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 07:39:11,018 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:11,170 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:11,323 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:11,475 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 07:39:11,874 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 07:39:12,105 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 07:39:12,412 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 07:39:12,602 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 07:39:12,810 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 07:39:13,006 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-25 07:39:13,269 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:39:13,594 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 7 [2020-09-25 07:39:13,994 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-25 07:39:14,195 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 07:39:14,434 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 07:39:14,820 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 07:39:15,226 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 07:39:15,632 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-25 07:39:15,876 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23