/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=HIGHLEXORDER --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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:24:46,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:24:46,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:24:46,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:24:46,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:24:46,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:24:46,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:24:46,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:24:46,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:24:46,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:24:46,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:24:46,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:24:46,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:24:46,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:24:46,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:24:46,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:24:46,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:24:46,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:24:46,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:24:46,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:24:46,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:24:46,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:24:46,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:24:46,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:24:46,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:24:46,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:24:46,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:24:46,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:24:46,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:24:46,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:24:46,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:24:46,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:24:46,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:24:46,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:24:46,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:24:46,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:24:46,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:24:46,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:24:46,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:24:46,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:24:46,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:24:46,637 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 [2020-09-24 22:24:46,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:24:46,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:24:46,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:24:46,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:24:46,695 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:24:46,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:24:46,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:24:46,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:24:46,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:24:46,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:24:46,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:24:46,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:24:46,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:24:46,696 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:24:46,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:24:46,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:24:46,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:24:46,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:24:46,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:24:46,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:24:46,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:24:46,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:24:46,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:24:46,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:24:46,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:24:46,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:24:46,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:24:46,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:24:46,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:24:46,700 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:24:47,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:24:47,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:24:47,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:24:47,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:24:47,215 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:24:47,216 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-24 22:24:47,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad397711c/61a5dd4405d244e6951cace755cf4272/FLAG01b21796f [2020-09-24 22:24:47,922 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:24:47,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-24 22:24:47,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad397711c/61a5dd4405d244e6951cace755cf4272/FLAG01b21796f [2020-09-24 22:24:48,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad397711c/61a5dd4405d244e6951cace755cf4272 [2020-09-24 22:24:48,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:24:48,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:24:48,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:24:48,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:24:48,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:24:48,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48, skipping insertion in model container [2020-09-24 22:24:48,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:24:48,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:24:48,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:24:48,748 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:24:48,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:24:48,893 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:24:48,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48 WrapperNode [2020-09-24 22:24:48,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:24:48,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:24:48,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:24:48,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:24:48,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:49,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:49,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:49,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:24:49,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:24:49,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:24:49,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:24:49,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (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 [2020-09-24 22:24:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:24:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:24:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:24:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:24:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:24:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:24:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:24:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:24:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:24:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:24:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:24:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 22:24:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:24:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:24:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:24:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:24:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:24:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:24:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:24:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:24:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:24:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:24:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:24:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:24:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:24:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:24:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:24:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:24:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:24:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:24:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:24:50,357 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:24:50,357 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:24:50,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:24:50 BoogieIcfgContainer [2020-09-24 22:24:50,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:24:50,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:24:50,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:24:50,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:24:50,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:24:48" (1/3) ... [2020-09-24 22:24:50,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387afe55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:24:50, skipping insertion in model container [2020-09-24 22:24:50,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48" (2/3) ... [2020-09-24 22:24:50,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387afe55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:24:50, skipping insertion in model container [2020-09-24 22:24:50,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:24:50" (3/3) ... [2020-09-24 22:24:50,376 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-09-24 22:24:50,389 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:24:50,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:24:50,426 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:24:50,463 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:24:50,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:24:50,464 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:24:50,464 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:24:50,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:24:50,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:24:50,464 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:24:50,465 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:24:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-09-24 22:24:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 22:24:50,517 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:24:50,519 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] [2020-09-24 22:24:50,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:24:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:24:50,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1532916738, now seen corresponding path program 1 times [2020-09-24 22:24:50,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:24:50,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270150591] [2020-09-24 22:24:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:24:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:51,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:51,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:55,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:55,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 22:24:55,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:24:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-24 22:24:55,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:24:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-24 22:24:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:24:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:24:56,421 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:24:56,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:24:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:24:56,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 22:24:56,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:56,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:24:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:56,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:24:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:24:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:56,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:24:56,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:56,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:24:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:24:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:24:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:56,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:24:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:24:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:24:56,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:24:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:24:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:24:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:56,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:24:56,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:24:56,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:56,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:24:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:24:56,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270150591] [2020-09-24 22:24:56,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:24:56,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:24:56,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652818583] [2020-09-24 22:24:56,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:24:56,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:24:56,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:24:56,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:24:56,837 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 8 states. [2020-09-24 22:24:57,558 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:24:58,711 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:24:59,315 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 22:24:59,653 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:00,022 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:00,392 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:01,457 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:01,839 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:02,254 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:25:03,670 INFO L93 Difference]: Finished difference Result 676 states and 840 transitions. [2020-09-24 22:25:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:25:03,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 22:25:03,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:25:03,695 INFO L225 Difference]: With dead ends: 676 [2020-09-24 22:25:03,696 INFO L226 Difference]: Without dead ends: 446 [2020-09-24 22:25:03,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:25:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-24 22:25:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 404. [2020-09-24 22:25:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-24 22:25:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 464 transitions. [2020-09-24 22:25:03,848 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 464 transitions. Word has length 142 [2020-09-24 22:25:03,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:25:03,850 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 464 transitions. [2020-09-24 22:25:03,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:25:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 464 transitions. [2020-09-24 22:25:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 22:25:03,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:25:03,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:25:03,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:25:03,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:25:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:25:03,857 INFO L82 PathProgramCache]: Analyzing trace with hash -741417358, now seen corresponding path program 1 times [2020-09-24 22:25:03,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:25:03,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064057481] [2020-09-24 22:25:03,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:25:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:04,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:08,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:08,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 22:25:08,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:25:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-24 22:25:08,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:25:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 22:25:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:25:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,219 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:25:09,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:25:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:25:09,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 22:25:09,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:25:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:09,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:25:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:09,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:25:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:25:09,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:25:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:09,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 22:25:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:25:10,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:25:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-24 22:25:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:25:10,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:25:10,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 22:25:10,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:25:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:25:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 22:25:10,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:25:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-09-24 22:25:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:25:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:25:10,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:25:10,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:25:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:25:10,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:25:10,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:25:10,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:10,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:25:10,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:10,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:25:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 22:25:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:25:10,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:25:10,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 22:25:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:10,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:25:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:25:11,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064057481] [2020-09-24 22:25:11,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:25:11,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 22:25:11,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196906745] [2020-09-24 22:25:11,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 22:25:11,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:25:11,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 22:25:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:25:11,047 INFO L87 Difference]: Start difference. First operand 404 states and 464 transitions. Second operand 14 states. [2020-09-24 22:25:11,652 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:12,725 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:13,124 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:13,525 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:13,904 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:14,240 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:14,805 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:15,185 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:15,599 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:15,948 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:16,262 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:16,609 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:25:17,003 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:17,440 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:17,773 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:18,351 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:18,678 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:19,021 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:19,412 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:19,773 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:20,084 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:25:22,837 INFO L93 Difference]: Finished difference Result 1123 states and 1487 transitions. [2020-09-24 22:25:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 22:25:22,838 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-09-24 22:25:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:25:22,849 INFO L225 Difference]: With dead ends: 1123 [2020-09-24 22:25:22,849 INFO L226 Difference]: Without dead ends: 783 [2020-09-24 22:25:22,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2020-09-24 22:25:22,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-09-24 22:25:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 667. [2020-09-24 22:25:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-09-24 22:25:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 771 transitions. [2020-09-24 22:25:22,990 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 771 transitions. Word has length 217 [2020-09-24 22:25:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:25:22,991 INFO L479 AbstractCegarLoop]: Abstraction has 667 states and 771 transitions. [2020-09-24 22:25:22,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 22:25:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 771 transitions. [2020-09-24 22:25:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 22:25:22,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:25:22,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:25:22,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:25:22,996 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:25:22,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:25:22,997 INFO L82 PathProgramCache]: Analyzing trace with hash 625994481, now seen corresponding path program 1 times [2020-09-24 22:25:22,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:25:22,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904707735] [2020-09-24 22:25:22,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:25:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:23,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:26,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 22:25:28,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:25:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-24 22:25:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:25:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-09-24 22:25:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:25:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,399 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:25:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:25:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:25:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 22:25:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:25:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:28,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:25:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:25:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:25:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:28,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:28,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:25:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:25:28,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:28,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 22:25:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:25:29,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:25:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-09-24 22:25:29,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:25:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:25:29,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:25:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 22:25:29,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:25:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:25:29,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 22:25:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:25:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:29,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:25:29,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:25:29,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:25:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:25:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:25:29,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:25:29,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:25:29,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:25:29,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:25:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:25:29,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:25:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:25:29,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:29,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:29,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:29,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:25:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:29,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:25:29,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 22:25:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:29,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:25:29,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:29,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:29,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:25:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 22:25:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:29,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:29,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:29,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:29,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:25:29,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:25:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:25:29,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904707735] [2020-09-24 22:25:29,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:25:29,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 22:25:29,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062226841] [2020-09-24 22:25:29,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 22:25:29,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:25:29,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 22:25:29,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:25:29,995 INFO L87 Difference]: Start difference. First operand 667 states and 771 transitions. Second operand 14 states. [2020-09-24 22:25:30,623 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:31,679 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:32,031 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:25:32,388 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:32,731 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:33,028 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:33,333 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:33,656 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:34,117 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:34,467 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:34,785 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:35,125 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:35,512 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:35,807 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:36,142 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:36,441 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:36,820 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:37,215 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:37,535 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187