/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=0.2 --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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:13:32,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:13:32,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:13:32,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:13:32,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:13:32,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:13:32,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:13:32,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:13:32,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:13:32,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:13:32,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:13:32,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:13:32,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:13:32,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:13:32,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:13:32,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:13:32,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:13:32,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:13:32,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:13:32,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:13:32,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:13:32,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:13:32,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:13:32,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:13:32,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:13:32,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:13:32,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:13:32,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:13:32,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:13:32,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:13:32,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:13:32,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:13:32,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:13:32,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:13:32,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:13:32,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:13:32,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:13:32,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:13:32,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:13:32,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:13:32,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:13:32,756 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 04:13:32,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:13:32,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:13:32,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:13:32,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:13:32,794 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:13:32,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:13:32,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:13:32,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:13:32,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:13:32,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:13:32,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:13:32,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:13:32,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:13:32,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:13:32,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:13:32,798 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:13:32,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:13:32,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:13:32,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:13:32,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:13:32,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:13:32,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:13:32,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:13:32,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:13:32,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:13:32,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:13:32,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:13:32,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:13:32,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:13:32,802 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 04:13:33,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:13:33,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:13:33,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:13:33,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:13:33,323 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:13:33,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 04:13:33,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bb0ed259/de67763770334ddd8f75f475f80830b7/FLAGd1dd1b9ca [2020-09-25 04:13:34,046 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:13:34,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-25 04:13:34,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bb0ed259/de67763770334ddd8f75f475f80830b7/FLAGd1dd1b9ca [2020-09-25 04:13:34,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bb0ed259/de67763770334ddd8f75f475f80830b7 [2020-09-25 04:13:34,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:13:34,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:13:34,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:34,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:13:34,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:13:34,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:34" (1/1) ... [2020-09-25 04:13:34,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5341aa08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:34, skipping insertion in model container [2020-09-25 04:13:34,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:13:34" (1/1) ... [2020-09-25 04:13:34,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:13:34,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:13:34,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:34,961 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:13:35,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:13:35,098 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:13:35,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35 WrapperNode [2020-09-25 04:13:35,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:13:35,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:13:35,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:13:35,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:13:35,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (1/1) ... [2020-09-25 04:13:35,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:13:35,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:13:35,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:13:35,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:13:35,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (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 04:13:35,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:13:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:13:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:35,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:13:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:13:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:13:35,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:13:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:13:35,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:13:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:13:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:13:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:13:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:13:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:13:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:13:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:13:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:13:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:13:35,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:13:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:13:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:13:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:13:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:13:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:13:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:13:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:13:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:13:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:13:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:13:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:13:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:13:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:13:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:13:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:13:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:13:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:13:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:13:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:13:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:13:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:13:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:13:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:13:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:13:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:13:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:13:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:13:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:13:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:13:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:13:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:13:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:13:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:13:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:13:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:13:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:13:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:13:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:13:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:13:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:13:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:13:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:13:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:13:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:13:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:13:36,593 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:13:36,593 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:13:36,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:36 BoogieIcfgContainer [2020-09-25 04:13:36,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:13:36,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:13:36,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:13:36,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:13:36,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:13:34" (1/3) ... [2020-09-25 04:13:36,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f46691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:36, skipping insertion in model container [2020-09-25 04:13:36,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:13:35" (2/3) ... [2020-09-25 04:13:36,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f46691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:13:36, skipping insertion in model container [2020-09-25 04:13:36,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:13:36" (3/3) ... [2020-09-25 04:13:36,612 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-25 04:13:36,625 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:13:36,636 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:13:36,660 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:13:36,693 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:13:36,693 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:13:36,693 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:13:36,694 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:13:36,694 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:13:36,694 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:13:36,694 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:13:36,694 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:13:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 04:13:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:13:36,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:13:36,745 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 04:13:36,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:13:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:13:36,754 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-25 04:13:36,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:13:36,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154010510] [2020-09-25 04:13:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:13:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:37,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:39,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:39,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:42,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:42,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:13:42,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:13:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 04:13:42,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:42,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:42,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:13:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 04:13:42,916 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:13:42,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:13:43,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 04:13:43,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:13:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:43,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:13:43,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:13:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:43,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:13:43,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:13:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:43,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:13:43,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:13:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:43,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:43,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:13:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:13:43,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:13:43,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:13:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:13:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:13:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:13:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:43,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:13:43,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:43,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:13:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:43,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:13:43,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:13:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:43,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:43,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:43,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:43,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:43,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:43,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:43,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:43,320 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 04:13:43,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154010510] [2020-09-25 04:13:43,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:13:43,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:13:43,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216422344] [2020-09-25 04:13:43,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:13:43,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:13:43,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:13:43,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:13:43,363 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-09-25 04:13:44,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:13:44,847 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-09-25 04:13:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:13:44,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:13:44,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:13:44,870 INFO L225 Difference]: With dead ends: 505 [2020-09-25 04:13:44,870 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 04:13:44,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:13:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 04:13:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-09-25 04:13:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-25 04:13:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2020-09-25 04:13:45,014 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 160 [2020-09-25 04:13:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:13:45,019 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2020-09-25 04:13:45,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:13:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2020-09-25 04:13:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:13:45,034 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:13:45,035 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 04:13:45,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:13:45,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:13:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:13:45,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2128164298, now seen corresponding path program 1 times [2020-09-25 04:13:45,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:13:45,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791333117] [2020-09-25 04:13:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:13:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:45,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:45,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:47,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:48,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:13:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:13:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 04:13:50,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:13:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:13:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:13:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,613 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:13:50,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:13:50,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 04:13:50,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:13:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:13:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:50,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:13:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:50,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:13:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:13:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:13:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:13:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:13:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:13:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:13:50,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:13:50,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:13:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:50,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:50,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:13:50,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:13:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:50,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:50,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:13:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:50,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:50,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:50,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:50,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:50,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:13:50,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:50,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:50,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:50,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:50,902 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 04:13:50,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791333117] [2020-09-25 04:13:50,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:13:50,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:13:50,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291637295] [2020-09-25 04:13:50,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:13:50,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:13:50,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:13:50,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:13:50,909 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 5 states. [2020-09-25 04:13:51,655 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:13:52,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:13:52,638 INFO L93 Difference]: Finished difference Result 430 states and 483 transitions. [2020-09-25 04:13:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:13:52,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:13:52,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:13:52,643 INFO L225 Difference]: With dead ends: 430 [2020-09-25 04:13:52,644 INFO L226 Difference]: Without dead ends: 307 [2020-09-25 04:13:52,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:13:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-25 04:13:52,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-09-25 04:13:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 04:13:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-25 04:13:52,721 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-09-25 04:13:52,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:13:52,723 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-25 04:13:52,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:13:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-25 04:13:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:13:52,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:13:52,729 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 04:13:52,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:13:52,730 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:13:52,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:13:52,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1816762298, now seen corresponding path program 1 times [2020-09-25 04:13:52,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:13:52,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116231321] [2020-09-25 04:13:52,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:13:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:55,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:57,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 04:13:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:13:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 04:13:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:57,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:13:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:13:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:13:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,153 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:13:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:13:58,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 04:13:58,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:13:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:13:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:13:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:58,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:13:58,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:13:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:13:58,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:13:58,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:13:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:13:58,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:13:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:13:58,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:13:58,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:13:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:13:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:13:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:13:58,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:13:58,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:13:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:13:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:13:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:13:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:13:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:58,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:13:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:13:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:13:58,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:13:58,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:13:58,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:13:58,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:13:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:13:58,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:13:58,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:13:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:13:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:13:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:13:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:13:58,452 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 04:13:58,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116231321] [2020-09-25 04:13:58,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:13:58,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:13:58,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789782487] [2020-09-25 04:13:58,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:13:58,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:13:58,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:13:58,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:13:58,457 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 6 states. [2020-09-25 04:13:59,005 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:00,220 INFO L93 Difference]: Finished difference Result 477 states and 548 transitions. [2020-09-25 04:14:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:14:00,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:14:00,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:00,226 INFO L225 Difference]: With dead ends: 477 [2020-09-25 04:14:00,226 INFO L226 Difference]: Without dead ends: 330 [2020-09-25 04:14:00,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:14:00,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-25 04:14:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2020-09-25 04:14:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 04:14:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-09-25 04:14:00,265 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 174 [2020-09-25 04:14:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:00,265 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-09-25 04:14:00,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:14:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-09-25 04:14:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 04:14:00,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:00,268 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:14:00,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:14:00,269 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:00,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:00,269 INFO L82 PathProgramCache]: Analyzing trace with hash -113759087, now seen corresponding path program 1 times [2020-09-25 04:14:00,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:00,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955303581] [2020-09-25 04:14:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:04,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 04:14:05,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:14:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:14:05,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:05,712 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:05,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:05,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 04:14:05,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:05,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:05,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:05,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:05,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:05,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:05,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:05,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:14:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:14:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:05,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:05,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:05,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:05,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:05,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:05,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:05,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:05,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:05,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:06,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:14:06,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:14:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:06,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:14:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:14:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:06,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:14:06,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:14:06,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:06,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:14:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:14:06,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:14:06,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:06,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:06,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:06,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:06,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:06,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 04:14:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:06,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:06,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:06,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 04:14:06,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:06,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:06,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:14:06,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 04:14:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:06,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:06,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:06,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:06,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:06,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:14:06,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:06,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:06,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:06,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:06,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 04:14:06,295 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 04:14:06,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955303581] [2020-09-25 04:14:06,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:06,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:14:06,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415126640] [2020-09-25 04:14:06,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:14:06,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:06,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:14:06,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:14:06,301 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 9 states. [2020-09-25 04:14:07,153 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:09,144 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:14:10,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:14:10,067 INFO L93 Difference]: Finished difference Result 666 states and 793 transitions. [2020-09-25 04:14:10,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 04:14:10,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2020-09-25 04:14:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:14:10,079 INFO L225 Difference]: With dead ends: 666 [2020-09-25 04:14:10,079 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 04:14:10,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2020-09-25 04:14:10,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 04:14:10,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 381. [2020-09-25 04:14:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-25 04:14:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 412 transitions. [2020-09-25 04:14:10,164 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 412 transitions. Word has length 187 [2020-09-25 04:14:10,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:14:10,165 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 412 transitions. [2020-09-25 04:14:10,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:14:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 412 transitions. [2020-09-25 04:14:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 04:14:10,168 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:10,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:10,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:14:10,169 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:10,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:10,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-09-25 04:14:10,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:10,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205887619] [2020-09-25 04:14:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:10,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:10,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 04:14:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 04:14:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,552 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:15,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:15,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 04:14:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:15,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:14:15,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:14:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:15,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:14:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:15,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:14:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:14:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:14:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 04:14:15,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:14:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:14:15,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:14:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:14:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:14:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:14:15,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 04:14:15,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:14:15,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:14:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:14:15,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:15,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:14:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:15,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:14:15,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 04:14:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:14:15,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:15,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:15,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 04:14:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:15,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:15,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:15,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:15,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:15,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:14:15,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:14:16,073 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 04:14:16,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205887619] [2020-09-25 04:14:16,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:16,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 04:14:16,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944291475] [2020-09-25 04:14:16,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 04:14:16,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:16,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 04:14:16,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:14:16,075 INFO L87 Difference]: Start difference. First operand 381 states and 412 transitions. Second operand 11 states. [2020-09-25 04:14:16,637 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:17,654 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:14:18,246 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 04:14:19,224 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:14:19,642 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 04:14:20,030 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190