/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:43:57,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:43:57,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:43:57,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:43:57,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:43:57,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:43:57,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:43:57,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:43:57,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:43:57,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:43:57,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:43:57,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:43:57,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:43:57,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:43:57,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:43:57,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:43:57,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:43:57,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:43:57,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:43:57,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:43:57,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:43:57,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:43:57,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:43:57,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:43:57,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:43:57,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:43:57,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:43:57,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:43:57,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:43:57,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:43:57,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:43:57,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:43:57,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:43:57,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:43:57,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:43:57,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:43:57,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:43:57,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:43:57,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:43:57,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:43:57,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:43:57,222 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 01:43:57,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:43:57,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:43:57,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:43:57,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:43:57,275 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:43:57,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:43:57,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:43:57,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:43:57,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:43:57,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:43:57,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:43:57,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:43:57,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:43:57,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:43:57,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:43:57,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:43:57,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:43:57,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:43:57,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:43:57,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:43:57,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:43:57,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:43:57,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:43:57,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:43:57,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:43:57,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:43:57,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:43:57,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:43:57,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:43:57,281 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:43:57,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:43:57,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:43:57,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:43:57,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:43:57,747 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:43:57,748 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-09-25 01:43:57,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a236b9d1/fd8bfb2251f14f70ac279c56f10dbd8e/FLAG46bbd5355 [2020-09-25 01:43:58,417 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:43:58,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-09-25 01:43:58,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a236b9d1/fd8bfb2251f14f70ac279c56f10dbd8e/FLAG46bbd5355 [2020-09-25 01:43:58,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a236b9d1/fd8bfb2251f14f70ac279c56f10dbd8e [2020-09-25 01:43:58,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:43:58,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:43:58,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:43:58,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:43:58,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:43:58,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:43:58" (1/1) ... [2020-09-25 01:43:58,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:58, skipping insertion in model container [2020-09-25 01:43:58,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:43:58" (1/1) ... [2020-09-25 01:43:58,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:43:58,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:43:59,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:43:59,332 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:43:59,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:43:59,518 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:43:59,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59 WrapperNode [2020-09-25 01:43:59,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:43:59,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:43:59,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:43:59,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:43:59,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (1/1) ... [2020-09-25 01:43:59,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:43:59,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:43:59,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:43:59,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:43:59,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (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 01:43:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:43:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:43:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:43:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:43:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:43:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:43:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:43:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:43:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:43:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:43:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:43:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:43:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:43:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:43:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:43:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:43:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:43:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:43:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:43:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:43:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 01:43:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:43:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:43:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:43:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:43:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:43:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:43:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:43:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:43:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:43:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:43:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:43:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:43:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:43:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:43:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:43:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:43:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:43:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:43:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:43:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:43:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:43:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:43:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:43:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:44:00,839 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:44:00,839 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:44:00,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:44:00 BoogieIcfgContainer [2020-09-25 01:44:00,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:44:00,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:44:00,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:44:00,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:44:00,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:43:58" (1/3) ... [2020-09-25 01:44:00,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502bd73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:44:00, skipping insertion in model container [2020-09-25 01:44:00,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:43:59" (2/3) ... [2020-09-25 01:44:00,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502bd73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:44:00, skipping insertion in model container [2020-09-25 01:44:00,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:44:00" (3/3) ... [2020-09-25 01:44:00,861 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2020-09-25 01:44:00,873 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:44:00,887 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:44:00,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:44:00,956 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:44:00,956 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:44:00,956 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:44:00,956 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:44:00,956 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:44:00,957 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:44:00,958 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:44:00,958 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:44:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-09-25 01:44:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 01:44:01,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:01,042 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 01:44:01,043 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:01,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:01,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1070774574, now seen corresponding path program 1 times [2020-09-25 01:44:01,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:01,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562913664] [2020-09-25 01:44:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:01,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:44:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 01:44:06,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 01:44:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 01:44:06,979 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:06,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:07,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 01:44:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:44:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:07,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:07,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:07,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:07,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:44:07,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:07,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:07,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 01:44:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:07,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:44:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:07,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:07,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:07,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:07,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:07,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:07,371 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 01:44:07,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562913664] [2020-09-25 01:44:07,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:07,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:44:07,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657600429] [2020-09-25 01:44:07,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:44:07,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:07,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:44:07,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:44:07,403 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2020-09-25 01:44:09,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:09,033 INFO L93 Difference]: Finished difference Result 478 states and 575 transitions. [2020-09-25 01:44:09,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:44:09,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 01:44:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:09,064 INFO L225 Difference]: With dead ends: 478 [2020-09-25 01:44:09,064 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 01:44:09,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:44:09,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 01:44:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 254. [2020-09-25 01:44:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 01:44:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 278 transitions. [2020-09-25 01:44:09,203 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 278 transitions. Word has length 142 [2020-09-25 01:44:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:09,204 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 278 transitions. [2020-09-25 01:44:09,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:44:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 278 transitions. [2020-09-25 01:44:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 01:44:09,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:09,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:44:09,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:44:09,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:09,210 INFO L82 PathProgramCache]: Analyzing trace with hash -765681893, now seen corresponding path program 1 times [2020-09-25 01:44:09,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:09,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70374502] [2020-09-25 01:44:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:09,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:10,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:11,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:12,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 01:44:14,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:44:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 01:44:14,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 01:44:14,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:44:14,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,574 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:14,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 01:44:14,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:14,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:14,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:14,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:14,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:14,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:14,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:14,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 01:44:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:14,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 01:44:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:14,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:14,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:14,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:14,776 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 01:44:14,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70374502] [2020-09-25 01:44:14,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:14,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:44:14,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140777963] [2020-09-25 01:44:14,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:44:14,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:14,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:44:14,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:44:14,781 INFO L87 Difference]: Start difference. First operand 254 states and 278 transitions. Second operand 4 states. [2020-09-25 01:44:15,393 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:16,329 INFO L93 Difference]: Finished difference Result 385 states and 438 transitions. [2020-09-25 01:44:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 01:44:16,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 01:44:16,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:16,334 INFO L225 Difference]: With dead ends: 385 [2020-09-25 01:44:16,335 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 01:44:16,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:44:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 01:44:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 244. [2020-09-25 01:44:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 01:44:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 265 transitions. [2020-09-25 01:44:16,393 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 265 transitions. Word has length 143 [2020-09-25 01:44:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:16,394 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 265 transitions. [2020-09-25 01:44:16,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:44:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 265 transitions. [2020-09-25 01:44:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 01:44:16,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:16,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:44:16,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:44:16,397 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:16,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:16,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2036624560, now seen corresponding path program 1 times [2020-09-25 01:44:16,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:16,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387638819] [2020-09-25 01:44:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:16,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:16,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 01:44:21,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:44:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 01:44:21,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 01:44:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:21,749 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:21,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 01:44:21,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:21,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:21,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:21,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:21,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:21,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:21,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 01:44:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:44:21,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:21,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:21,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:44:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 01:44:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:21,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:44:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:21,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:21,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:21,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:21,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:21,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:21,957 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 01:44:21,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387638819] [2020-09-25 01:44:21,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:21,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:44:21,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642626400] [2020-09-25 01:44:21,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:44:21,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:44:21,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:44:21,960 INFO L87 Difference]: Start difference. First operand 244 states and 265 transitions. Second operand 5 states. [2020-09-25 01:44:22,613 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:24,574 INFO L93 Difference]: Finished difference Result 582 states and 682 transitions. [2020-09-25 01:44:24,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:44:24,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 01:44:24,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:24,581 INFO L225 Difference]: With dead ends: 582 [2020-09-25 01:44:24,581 INFO L226 Difference]: Without dead ends: 448 [2020-09-25 01:44:24,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:44:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-25 01:44:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 368. [2020-09-25 01:44:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 01:44:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2020-09-25 01:44:24,645 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 156 [2020-09-25 01:44:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:24,646 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2020-09-25 01:44:24,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:44:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2020-09-25 01:44:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 01:44:24,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:24,649 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] [2020-09-25 01:44:24,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:44:24,650 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:24,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:24,650 INFO L82 PathProgramCache]: Analyzing trace with hash 192593141, now seen corresponding path program 1 times [2020-09-25 01:44:24,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:24,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214243084] [2020-09-25 01:44:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:24,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:25,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:29,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:29,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 01:44:29,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:44:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 01:44:29,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:44:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 01:44:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 01:44:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,069 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:30,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 01:44:30,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:30,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:30,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 01:44:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:44:30,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:44:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:44:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:44:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:44:30,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:30,348 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 01:44:30,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214243084] [2020-09-25 01:44:30,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:30,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:44:30,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898855959] [2020-09-25 01:44:30,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:44:30,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:30,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:44:30,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:44:30,351 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 9 states. [2020-09-25 01:44:30,823 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:32,016 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:32,349 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:44:32,667 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:32,980 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:44:33,279 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:44:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:33,490 INFO L93 Difference]: Finished difference Result 577 states and 678 transitions. [2020-09-25 01:44:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 01:44:33,491 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 01:44:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:33,492 INFO L225 Difference]: With dead ends: 577 [2020-09-25 01:44:33,492 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:44:33,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 01:44:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:44:33,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:44:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:44:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:44:33,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 01:44:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:33,496 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:44:33,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:44:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:44:33,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:44:33,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:44:33,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 01:44:33,686 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:33,857 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:33,992 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 01:44:34,152 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:34,304 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:34,456 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:34,619 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:34,735 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 01:44:35,055 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:35,366 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:35,603 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 01:44:35,916 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:36,033 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 01:44:36,183 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:36,333 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:36,482 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:36,778 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 01:44:37,069 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 01:44:37,361 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 01:44:37,503 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:37,651 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:37,800 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:37,948 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:38,092 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:38,241 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:38,393 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:38,537 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:38,686 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:38,831 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:38,980 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:39,128 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:39,286 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:39,431 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:39,579 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:39,728 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:39,884 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:40,029 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:40,178 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:40,326 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:40,571 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 01:44:40,732 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:40,883 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:41,031 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:41,179 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:41,430 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:41,578 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:41,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:42,038 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:42,358 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:42,593 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 01:44:42,901 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 01:44:43,054 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:43,210 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:43,354 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:43,498 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:43,646 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:43,805 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:43,962 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:44,110 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:44,357 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:44,506 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:44,653 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:44,796 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:44,944 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 01:44:45,353 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 01:44:45,563 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 01:44:45,754 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 01:44:46,191 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 01:44:46,398 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 01:44:46,605 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 01:44:46,786 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 01:44:46,989 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:47,162 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 01:44:47,552 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 01:44:47,757 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 01:44:47,952 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 01:44:48,335 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 01:44:48,745 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 01:44:49,134 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7