/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=WIDEST --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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:05:30,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:05:30,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:05:30,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:05:30,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:05:30,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:05:30,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:05:30,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:05:30,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:05:30,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:05:30,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:05:30,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:05:30,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:05:30,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:05:30,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:05:30,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:05:30,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:05:30,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:05:30,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:05:30,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:05:30,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:05:30,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:05:30,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:05:30,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:05:30,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:05:30,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:05:30,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:05:30,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:05:30,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:05:30,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:05:30,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:05:30,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:05:30,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:05:30,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:05:30,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:05:30,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:05:30,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:05:30,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:05:30,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:05:30,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:05:30,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:05:30,708 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 03:05:30,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:05:30,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:05:30,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:05:30,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:05:30,735 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:05:30,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:05:30,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:05:30,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:05:30,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:05:30,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:05:30,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:05:30,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:05:30,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:05:30,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:05:30,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:05:30,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:05:30,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:05:30,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:05:30,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:05:30,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:05:30,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:05:30,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:05:30,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:05:30,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:05:30,740 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:05:31,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:05:31,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:05:31,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:05:31,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:05:31,262 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:05:31,263 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 03:05:31,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f4d540e/6d9a59f724e242c2b37e225bd067b5fb/FLAG144c700a6 [2020-09-25 03:05:32,000 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:05:32,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 03:05:32,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f4d540e/6d9a59f724e242c2b37e225bd067b5fb/FLAG144c700a6 [2020-09-25 03:05:32,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23f4d540e/6d9a59f724e242c2b37e225bd067b5fb [2020-09-25 03:05:32,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:05:32,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:05:32,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:32,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:05:32,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:05:32,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:32,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171e6c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32, skipping insertion in model container [2020-09-25 03:05:32,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:32,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:05:32,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:05:32,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:32,809 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:05:32,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:05:32,965 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:05:32,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32 WrapperNode [2020-09-25 03:05:32,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:05:32,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:05:32,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:05:32,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:05:32,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:32,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (1/1) ... [2020-09-25 03:05:33,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:05:33,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:05:33,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:05:33,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:05:33,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (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 03:05:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:05:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:05:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:05:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:05:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:05:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:05:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:05:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:05:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:05:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:05:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:05:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:05:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:05:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:05:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:05:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:05:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:05:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:05:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:05:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:05:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:05:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:05:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:05:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:05:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:05:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:05:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:05:34,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:05:34,444 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:05:34,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:34 BoogieIcfgContainer [2020-09-25 03:05:34,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:05:34,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:05:34,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:05:34,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:05:34,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:05:32" (1/3) ... [2020-09-25 03:05:34,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fd2c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:34, skipping insertion in model container [2020-09-25 03:05:34,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:05:32" (2/3) ... [2020-09-25 03:05:34,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fd2c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:05:34, skipping insertion in model container [2020-09-25 03:05:34,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:05:34" (3/3) ... [2020-09-25 03:05:34,461 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-25 03:05:34,473 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:05:34,484 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:05:34,507 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:05:34,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:05:34,541 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:05:34,541 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:05:34,541 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:05:34,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:05:34,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:05:34,542 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:05:34,542 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:05:34,571 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-25 03:05:34,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:05:34,591 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:34,593 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 03:05:34,593 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:34,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-25 03:05:34,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:34,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396663121] [2020-09-25 03:05:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:35,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:40,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:05:40,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-25 03:05:40,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:40,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:05:40,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 03:05:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-09-25 03:05:40,804 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:40,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:41,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-09-25 03:05:41,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:05:41,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:41,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:41,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:41,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:41,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:41,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 03:05:41,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:41,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:41,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:05:41,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:41,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:41,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:41,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:05:41,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:41,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:41,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:05:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:41,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:05:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:41,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:41,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:41,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:05:41,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:41,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:05:41,651 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 03:05:41,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396663121] [2020-09-25 03:05:41,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:41,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:41,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909061242] [2020-09-25 03:05:41,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:41,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:41,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:41,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:41,708 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 9 states. [2020-09-25 03:05:42,750 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:43,553 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:44,069 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 03:05:45,605 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:45,920 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:46,299 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:46,885 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:47,195 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:47,507 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:48,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:48,091 INFO L93 Difference]: Finished difference Result 652 states and 790 transitions. [2020-09-25 03:05:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:48,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:48,116 INFO L225 Difference]: With dead ends: 652 [2020-09-25 03:05:48,116 INFO L226 Difference]: Without dead ends: 442 [2020-09-25 03:05:48,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-25 03:05:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 393. [2020-09-25 03:05:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-25 03:05:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 440 transitions. [2020-09-25 03:05:48,272 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 440 transitions. Word has length 160 [2020-09-25 03:05:48,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:48,273 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 440 transitions. [2020-09-25 03:05:48,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 440 transitions. [2020-09-25 03:05:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-25 03:05:48,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:48,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:48,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:48,282 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash 902461611, now seen corresponding path program 1 times [2020-09-25 03:05:48,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:48,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199772976] [2020-09-25 03:05:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:48,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:50,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:50,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:05:50,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2422 [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,063 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:51,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:51,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 03:05:51,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:51,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:51,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:51,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:05:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:05:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:51,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:51,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 03:05:51,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:05:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:51,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:51,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:05:51,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:51,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:05:51,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:51,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:51,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:51,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:51,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 03:05:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:51,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:51,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 03:05:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:51,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:51,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:51,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:51,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:51,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:51,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:51,844 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 03:05:51,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199772976] [2020-09-25 03:05:51,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:51,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:05:51,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260324529] [2020-09-25 03:05:51,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:05:51,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:51,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:05:51,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:05:51,849 INFO L87 Difference]: Start difference. First operand 393 states and 440 transitions. Second operand 10 states. [2020-09-25 03:05:53,355 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:53,689 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:54,011 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:54,326 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:54,671 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:05:54,965 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:56,030 INFO L93 Difference]: Finished difference Result 769 states and 936 transitions. [2020-09-25 03:05:56,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:05:56,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2020-09-25 03:05:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:56,045 INFO L225 Difference]: With dead ends: 769 [2020-09-25 03:05:56,045 INFO L226 Difference]: Without dead ends: 491 [2020-09-25 03:05:56,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:05:56,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-25 03:05:56,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 410. [2020-09-25 03:05:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-25 03:05:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 463 transitions. [2020-09-25 03:05:56,118 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 463 transitions. Word has length 221 [2020-09-25 03:05:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:56,119 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 463 transitions. [2020-09-25 03:05:56,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:05:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 463 transitions. [2020-09-25 03:05:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:05:56,127 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:56,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:56,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:56,127 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:56,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:56,128 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-25 03:05:56,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:56,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200385082] [2020-09-25 03:05:56,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:56,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:56,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:56,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:05:56,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:56,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-09-25 03:05:56,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 03:05:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:57,296 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 03:05:57,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:57,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:57,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:57,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:57,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:57,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:05:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:57,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:57,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:57,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:05:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:05:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 03:05:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:05:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 03:05:57,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:57,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:57,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 03:05:57,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:57,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:57,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:57,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 03:05:57,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:57,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:57,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:57,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:57,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:57,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:57,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:57,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:57,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:57,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:05:58,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:58,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:58,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:58,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:58,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 03:05:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:58,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:58,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:58,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:58,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:58,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:58,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:58,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 03:05:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:58,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:58,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:58,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:58,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:58,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:58,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:58,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:58,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:58,259 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 03:05:58,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200385082] [2020-09-25 03:05:58,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:58,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:58,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655331469] [2020-09-25 03:05:58,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:58,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:58,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:58,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:58,265 INFO L87 Difference]: Start difference. First operand 410 states and 463 transitions. Second operand 9 states. [2020-09-25 03:05:59,939 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:00,216 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:00,525 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:00,797 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:06:01,084 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:06:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:02,138 INFO L93 Difference]: Finished difference Result 790 states and 963 transitions. [2020-09-25 03:06:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:06:02,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-25 03:06:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:02,145 INFO L225 Difference]: With dead ends: 790 [2020-09-25 03:06:02,145 INFO L226 Difference]: Without dead ends: 495 [2020-09-25 03:06:02,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:06:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-25 03:06:02,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 416. [2020-09-25 03:06:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-25 03:06:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 469 transitions. [2020-09-25 03:06:02,215 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 469 transitions. Word has length 230 [2020-09-25 03:06:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:02,215 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 469 transitions. [2020-09-25 03:06:02,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:06:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 469 transitions. [2020-09-25 03:06:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:06:02,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:02,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:06:02,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:06:02,220 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:02,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-09-25 03:06:02,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:02,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956118957] [2020-09-25 03:06:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:02,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:06:03,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1571 [2020-09-25 03:06:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 03:06:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:06:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 03:06:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,233 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:04,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:04,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 03:06:04,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:06:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:04,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:06:04,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:04,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:04,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:04,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:04,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:06:04,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:04,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:04,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:04,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:04,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:04,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:06:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:04,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:06:04,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:04,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:06:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:04,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 03:06:04,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 03:06:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 03:06:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:06:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:06:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:04,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:06:04,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:04,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:04,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:06:04,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:04,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:06:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 03:06:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:04,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:04,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:04,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:04,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:04,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:04,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:04,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 03:06:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:04,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:04,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:04,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 03:06:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:04,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:04,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:04,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:04,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:04,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:04,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:04,948 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 03:06:04,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956118957] [2020-09-25 03:06:04,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:04,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:06:04,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623607793] [2020-09-25 03:06:04,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:06:04,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:04,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:06:04,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:06:04,951 INFO L87 Difference]: Start difference. First operand 416 states and 469 transitions. Second operand 7 states. [2020-09-25 03:06:05,538 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:06,371 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:06:09,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:06:09,358 INFO L93 Difference]: Finished difference Result 1120 states and 1386 transitions. [2020-09-25 03:06:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:06:09,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-25 03:06:09,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:06:09,363 INFO L225 Difference]: With dead ends: 1120 [2020-09-25 03:06:09,364 INFO L226 Difference]: Without dead ends: 808 [2020-09-25 03:06:09,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:06:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-25 03:06:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 718. [2020-09-25 03:06:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-09-25 03:06:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 838 transitions. [2020-09-25 03:06:09,456 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 838 transitions. Word has length 230 [2020-09-25 03:06:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:06:09,457 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 838 transitions. [2020-09-25 03:06:09,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:06:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 838 transitions. [2020-09-25 03:06:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 03:06:09,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:06:09,461 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, 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 03:06:09,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:06:09,462 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:06:09,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:06:09,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-09-25 03:06:09,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:06:09,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54206982] [2020-09-25 03:06:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:06:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:14,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:14,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-25 03:06:14,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:06:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 03:06:14,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:06:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 03:06:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-25 03:06:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:14,909 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:06:14,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:06:15,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 03:06:15,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 03:06:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:06:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:06:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:15,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:15,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:06:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:15,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:06:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:06:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:06:15,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:06:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:06:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:06:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:06:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:06:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:06:15,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:06:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:06:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:06:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:06:15,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:06:15,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:06:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:15,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:15,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 03:06:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:06:15,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:06:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:06:15,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:06:15,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:06:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:06:15,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:06:15,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:06:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:06:15,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:06:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:06:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:06:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:06:15,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:06:15,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:06:15,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:06:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:06:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:06:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:06:15,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:15,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:06:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 03:06:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:06:15,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:06:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:06:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:06:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 03:06:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:06:15,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:06:15,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:06:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:06:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:06:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:06:15,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:06:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:06:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:06:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:06:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:06:15,755 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 03:06:15,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54206982] [2020-09-25 03:06:15,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:06:15,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 03:06:15,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588746813] [2020-09-25 03:06:15,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 03:06:15,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:06:15,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 03:06:15,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:06:15,759 INFO L87 Difference]: Start difference. First operand 718 states and 838 transitions. Second operand 13 states. [2020-09-25 03:06:16,473 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:17,731 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:06:18,576 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:06:18,925 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194