/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=DEEPEST --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_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:45:47,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:45:47,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:45:47,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:45:47,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:45:47,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:45:47,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:45:47,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:45:47,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:45:47,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:45:47,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:45:47,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:45:47,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:45:47,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:45:47,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:45:47,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:45:47,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:45:47,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:45:47,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:45:47,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:45:47,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:45:47,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:45:47,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:45:47,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:45:47,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:45:47,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:45:47,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:45:47,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:45:47,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:45:47,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:45:47,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:45:47,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:45:47,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:45:47,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:45:47,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:45:47,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:45:47,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:45:47,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:45:47,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:45:47,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:45:47,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:45:47,710 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 00:45:47,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:45:47,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:45:47,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:45:47,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:45:47,762 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:45:47,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:45:47,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:45:47,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:45:47,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:45:47,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:45:47,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:45:47,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:45:47,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:45:47,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:45:47,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:45:47,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:45:47,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:45:47,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:45:47,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:45:47,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:45:47,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:45:47,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:45:47,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:45:47,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:45:47,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:45:47,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:45:47,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:45:47,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:45:47,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:45:47,768 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:45:48,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:45:48,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:45:48,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:45:48,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:45:48,241 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:45:48,243 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-25 00:45:48,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24961442b/600ce425fdd4479cb1a5aeb76bce6767/FLAGe50556a4a [2020-09-25 00:45:49,032 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:45:49,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-25 00:45:49,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24961442b/600ce425fdd4479cb1a5aeb76bce6767/FLAGe50556a4a [2020-09-25 00:45:49,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24961442b/600ce425fdd4479cb1a5aeb76bce6767 [2020-09-25 00:45:49,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:45:49,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:45:49,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:45:49,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:45:49,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:45:49,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:45:49" (1/1) ... [2020-09-25 00:45:49,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:49, skipping insertion in model container [2020-09-25 00:45:49,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:45:49" (1/1) ... [2020-09-25 00:45:49,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:45:49,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:45:49,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:45:49,773 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:45:49,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:45:50,013 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:45:50,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50 WrapperNode [2020-09-25 00:45:50,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:45:50,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:45:50,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:45:50,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:45:50,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (1/1) ... [2020-09-25 00:45:50,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:45:50,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:45:50,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:45:50,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:45:50,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (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 00:45:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:45:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:45:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:45:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:45:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:45:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:45:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:45:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:45:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:45:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:45:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:45:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:45:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:45:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:45:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:45:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:45:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:45:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:45:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:45:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:45:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:45:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:45:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:45:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:45:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:45:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:45:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:45:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:45:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:45:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:45:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:45:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:45:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:45:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:45:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:45:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:45:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:45:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:45:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:45:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:45:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:45:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:45:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:45:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:45:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:45:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:45:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:45:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:45:51,468 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:45:51,469 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:45:51,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:45:51 BoogieIcfgContainer [2020-09-25 00:45:51,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:45:51,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:45:51,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:45:51,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:45:51,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:45:49" (1/3) ... [2020-09-25 00:45:51,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641cce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:45:51, skipping insertion in model container [2020-09-25 00:45:51,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:45:50" (2/3) ... [2020-09-25 00:45:51,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641cce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:45:51, skipping insertion in model container [2020-09-25 00:45:51,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:45:51" (3/3) ... [2020-09-25 00:45:51,495 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-09-25 00:45:51,508 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:45:51,522 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:45:51,547 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:45:51,598 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:45:51,599 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:45:51,599 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:45:51,599 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:45:51,599 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:45:51,599 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:45:51,599 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:45:51,600 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:45:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 00:45:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:45:51,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:45:51,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:45:51,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:45:51,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:45:51,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1993009160, now seen corresponding path program 1 times [2020-09-25 00:45:51,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:45:51,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665278781] [2020-09-25 00:45:51,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:45:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:52,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:54,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:45:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:45:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 00:45:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:45:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:45:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:45:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 00:45:57,679 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:45:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:45:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:45:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 00:45:57,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:57,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:57,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:45:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:45:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:57,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:57,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:45:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:45:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:45:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:45:57,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:57,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:45:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:45:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:45:57,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:45:57,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:45:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:45:57,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:45:57,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:45:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:57,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:45:57,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:45:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:45:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:45:57,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:45:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:45:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:45:57,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:45:57,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:45:57,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:45:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:45:57,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:45:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:45:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:45:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:45:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:45:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:45:58,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665278781] [2020-09-25 00:45:58,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:45:58,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:45:58,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118424621] [2020-09-25 00:45:58,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:45:58,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:45:58,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:45:58,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:45:58,099 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 8 states. [2020-09-25 00:45:58,691 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:00,167 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:00,474 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:46:00,822 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:01,221 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 00:46:01,553 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:46:02,475 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:02,793 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:03,209 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:04,234 INFO L93 Difference]: Finished difference Result 570 states and 704 transitions. [2020-09-25 00:46:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:46:04,237 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:46:04,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:04,258 INFO L225 Difference]: With dead ends: 570 [2020-09-25 00:46:04,258 INFO L226 Difference]: Without dead ends: 381 [2020-09-25 00:46:04,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:46:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-09-25 00:46:04,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 339. [2020-09-25 00:46:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-09-25 00:46:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 386 transitions. [2020-09-25 00:46:04,402 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 386 transitions. Word has length 142 [2020-09-25 00:46:04,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:04,403 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 386 transitions. [2020-09-25 00:46:04,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:46:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 386 transitions. [2020-09-25 00:46:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-25 00:46:04,410 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:04,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 00:46:04,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:46:04,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:04,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:04,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1231901974, now seen corresponding path program 1 times [2020-09-25 00:46:04,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:04,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349809487] [2020-09-25 00:46:04,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:04,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:05,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:07,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-25 00:46:09,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:46:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 00:46:09,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 00:46:09,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:09,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:09,763 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 00:46:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:09,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:09,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:09,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:09,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:09,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:09,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:09,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:09,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:46:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:09,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:46:09,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:46:09,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:10,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:10,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:46:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:10,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 00:46:10,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:46:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:10,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:46:10,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:46:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:10,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:46:10,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:10,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:46:10,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:46:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:10,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:10,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:10,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:10,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 00:46:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:46:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 00:46:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:10,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:10,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:10,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:10,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:10,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:10,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:10,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:10,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:10,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 00:46:10,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349809487] [2020-09-25 00:46:10,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:46:10,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 00:46:10,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404515277] [2020-09-25 00:46:10,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:46:10,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:10,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:46:10,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:46:10,505 INFO L87 Difference]: Start difference. First operand 339 states and 386 transitions. Second operand 10 states. [2020-09-25 00:46:11,890 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:12,202 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:12,517 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:46:12,851 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:13,179 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:13,423 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:14,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:14,376 INFO L93 Difference]: Finished difference Result 674 states and 855 transitions. [2020-09-25 00:46:14,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:46:14,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-09-25 00:46:14,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:14,383 INFO L225 Difference]: With dead ends: 674 [2020-09-25 00:46:14,384 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 00:46:14,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:46:14,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 00:46:14,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 347. [2020-09-25 00:46:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-25 00:46:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 394 transitions. [2020-09-25 00:46:14,447 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 394 transitions. Word has length 222 [2020-09-25 00:46:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:14,448 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 394 transitions. [2020-09-25 00:46:14,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:46:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 394 transitions. [2020-09-25 00:46:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-25 00:46:14,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:14,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 00:46:14,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:46:14,453 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash -522768202, now seen corresponding path program 1 times [2020-09-25 00:46:14,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:14,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415934592] [2020-09-25 00:46:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:14,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:14,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:14,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:14,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:17,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:19,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:19,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-25 00:46:19,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:46:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 00:46:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 00:46:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:19,824 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:19,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:19,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:19,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 00:46:19,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:20,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:20,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:20,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 00:46:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:20,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:20,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:46:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:46:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:46:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:46:20,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:20,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:20,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:46:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 00:46:20,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:46:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:20,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 00:46:20,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:20,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:46:20,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:46:20,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:20,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:46:20,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:46:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:20,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:46:20,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:46:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:20,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:20,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:20,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:20,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:20,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:20,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 00:46:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 00:46:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:20,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:20,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:20,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:20,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:20,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:20,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:20,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:20,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 00:46:20,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415934592] [2020-09-25 00:46:20,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:46:20,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 00:46:20,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619257972] [2020-09-25 00:46:20,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:46:20,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:20,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:46:20,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:46:20,480 INFO L87 Difference]: Start difference. First operand 347 states and 394 transitions. Second operand 9 states. [2020-09-25 00:46:21,716 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:21,989 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:22,327 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:22,699 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:23,017 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:24,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:24,089 INFO L93 Difference]: Finished difference Result 691 states and 871 transitions. [2020-09-25 00:46:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:46:24,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-25 00:46:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:24,094 INFO L225 Difference]: With dead ends: 691 [2020-09-25 00:46:24,094 INFO L226 Difference]: Without dead ends: 454 [2020-09-25 00:46:24,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-25 00:46:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-09-25 00:46:24,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 353. [2020-09-25 00:46:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-09-25 00:46:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 400 transitions. [2020-09-25 00:46:24,149 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 400 transitions. Word has length 222 [2020-09-25 00:46:24,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:24,150 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 400 transitions. [2020-09-25 00:46:24,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:46:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 400 transitions. [2020-09-25 00:46:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 00:46:24,154 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:24,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:24,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:46:24,155 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:24,155 INFO L82 PathProgramCache]: Analyzing trace with hash -365896702, now seen corresponding path program 1 times [2020-09-25 00:46:24,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:24,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675238359] [2020-09-25 00:46:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:24,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:28,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:28,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4501 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 00:46:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:29,074 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:29,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 00:46:29,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:29,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:29,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:46:29,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:29,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:29,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:29,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 00:46:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:46:29,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:46:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:46:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:46:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:46:29,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:46:29,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:29,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:46:29,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:46:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:46:29,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:29,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:46:29,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:46:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:46:29,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:46:29,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:46:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:46:29,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:29,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:46:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:29,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:46:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:46:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:46:29,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 00:46:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:46:29,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:29,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:29,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:29,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 00:46:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:29,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:29,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:29,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:29,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:29,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:46:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:46:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:46:29,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675238359] [2020-09-25 00:46:29,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:46:29,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:46:29,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612288450] [2020-09-25 00:46:29,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:46:29,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:29,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:46:29,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:46:29,646 INFO L87 Difference]: Start difference. First operand 353 states and 400 transitions. Second operand 10 states. [2020-09-25 00:46:30,148 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:30,771 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:31,317 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:46:31,654 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:46:32,043 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:32,461 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:46:32,812 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:33,446 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:33,769 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:34,072 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:34,393 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:34,755 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:35,165 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:46:35,492 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:35,825 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188