/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_spec2_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:15:02,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:15:02,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:15:02,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:15:02,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:15:02,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:15:02,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:15:02,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:15:02,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:15:02,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:15:02,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:15:02,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:15:02,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:15:02,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:15:02,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:15:02,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:15:02,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:15:02,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:15:02,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:15:02,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:15:02,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:15:02,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:15:02,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:15:02,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:15:02,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:15:02,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:15:02,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:15:02,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:15:02,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:15:02,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:15:02,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:15:02,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:15:02,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:15:02,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:15:02,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:15:02,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:15:02,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:15:02,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:15:02,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:15:02,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:15:02,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:15:02,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:15:02,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:15:02,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:15:02,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:15:02,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:15:02,565 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:15:02,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:15:02,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:15:02,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:15:02,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:15:02,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:15:02,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:15:02,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:15:02,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:15:02,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:15:02,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:15:02,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:15:02,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:15:02,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:15:02,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:15:02,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:15:02,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:15:02,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:02,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:15:02,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:15:02,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:15:02,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:15:02,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:15:02,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:15:02,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:15:02,572 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:15:03,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:15:03,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:15:03,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:15:03,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:15:03,052 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:15:03,053 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2020-09-25 14:15:03,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc316e6a3/303ff5a4ec8b4bdbbfe349016b098bc8/FLAG188bc5c53 [2020-09-25 14:15:03,805 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:15:03,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2020-09-25 14:15:03,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc316e6a3/303ff5a4ec8b4bdbbfe349016b098bc8/FLAG188bc5c53 [2020-09-25 14:15:04,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc316e6a3/303ff5a4ec8b4bdbbfe349016b098bc8 [2020-09-25 14:15:04,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:15:04,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:15:04,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:04,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:15:04,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:15:04,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1592531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04, skipping insertion in model container [2020-09-25 14:15:04,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:15:04,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:15:04,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:04,664 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:15:04,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:04,859 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:15:04,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04 WrapperNode [2020-09-25 14:15:04,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:04,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:15:04,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:15:04,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:15:04,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... [2020-09-25 14:15:04,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:15:04,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:15:04,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:15:04,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:15:04,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:15:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:15:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:15:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:15:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:15:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:15:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:15:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:15:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:15:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 14:15:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:15:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:15:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:15:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:15:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:15:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:15:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:15:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:15:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:15:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:15:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:15:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:15:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:15:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:15:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:15:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:15:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:15:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:15:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:15:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:15:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:15:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:15:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:15:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:15:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:15:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:15:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:15:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:15:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:15:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:15:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:15:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:15:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:15:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:15:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:15:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:15:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:15:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:15:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:15:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:15:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:15:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 14:15:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:15:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:15:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:15:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:15:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:15:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:15:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:15:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:15:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:15:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:15:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:15:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:15:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:15:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:15:06,382 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:15:06,382 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:15:06,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:06 BoogieIcfgContainer [2020-09-25 14:15:06,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:15:06,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:15:06,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:15:06,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:15:06,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:15:04" (1/3) ... [2020-09-25 14:15:06,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c81c0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:06, skipping insertion in model container [2020-09-25 14:15:06,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:04" (2/3) ... [2020-09-25 14:15:06,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c81c0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:06, skipping insertion in model container [2020-09-25 14:15:06,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:06" (3/3) ... [2020-09-25 14:15:06,399 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2020-09-25 14:15:06,411 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:15:06,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:15:06,447 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:15:06,481 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:15:06,481 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:15:06,481 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:15:06,482 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:15:06,482 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:15:06,482 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:15:06,482 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:15:06,482 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:15:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-09-25 14:15:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:15:06,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:06,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:06,533 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:06,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:06,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1344573780, now seen corresponding path program 1 times [2020-09-25 14:15:06,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:06,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46798324] [2020-09-25 14:15:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:07,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:09,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:11,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:11,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:15:11,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:15:11,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 14:15:11,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:11,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:15:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:15:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 14:15:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 14:15:12,448 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:12,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:12,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:12,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-25 14:15:12,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:12,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:15:12,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:12,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:12,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:12,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:12,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:12,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:12,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:12,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:12,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:12,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:12,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:12,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:12,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:12,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:12,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:12,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:12,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:12,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:12,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:12,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:12,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:12,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:12,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:13,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:13,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:13,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:13,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:13,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:13,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:15:13,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:13,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:13,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:15:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:13,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:13,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:13,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:13,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:13,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:13,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:13,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:15:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:13,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:13,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:13,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:13,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:13,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:15:13,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46798324] [2020-09-25 14:15:13,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:13,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:13,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792097481] [2020-09-25 14:15:13,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:13,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:13,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:13,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:13,156 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 5 states. [2020-09-25 14:15:13,896 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:15,369 INFO L93 Difference]: Finished difference Result 503 states and 611 transitions. [2020-09-25 14:15:15,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:15,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:15:15,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:15,409 INFO L225 Difference]: With dead ends: 503 [2020-09-25 14:15:15,410 INFO L226 Difference]: Without dead ends: 364 [2020-09-25 14:15:15,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:15,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-09-25 14:15:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 293. [2020-09-25 14:15:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-09-25 14:15:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 322 transitions. [2020-09-25 14:15:15,593 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 322 transitions. Word has length 148 [2020-09-25 14:15:15,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:15,594 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 322 transitions. [2020-09-25 14:15:15,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 322 transitions. [2020-09-25 14:15:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 14:15:15,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:15,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:15,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:15:15,604 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:15,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:15,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2006896361, now seen corresponding path program 1 times [2020-09-25 14:15:15,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:15,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332108284] [2020-09-25 14:15:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:15,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:15,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:17,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:20,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:20,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 14:15:20,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 14:15:20,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:20,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:15:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:15:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 14:15:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,056 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:21,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 14:15:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:21,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:21,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:21,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:21,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:21,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:21,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:21,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:21,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:21,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:21,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:21,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:15:21,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:15:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:21,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:15:21,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:21,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:21,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:15:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:21,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:21,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:21,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:15:21,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332108284] [2020-09-25 14:15:21,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:21,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:21,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543497742] [2020-09-25 14:15:21,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:21,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:21,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:21,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:21,396 INFO L87 Difference]: Start difference. First operand 293 states and 322 transitions. Second operand 5 states. [2020-09-25 14:15:21,996 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:23,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:23,662 INFO L93 Difference]: Finished difference Result 605 states and 742 transitions. [2020-09-25 14:15:23,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:23,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 14:15:23,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:23,677 INFO L225 Difference]: With dead ends: 605 [2020-09-25 14:15:23,677 INFO L226 Difference]: Without dead ends: 602 [2020-09-25 14:15:23,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-25 14:15:23,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 474. [2020-09-25 14:15:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-09-25 14:15:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 543 transitions. [2020-09-25 14:15:23,784 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 543 transitions. Word has length 152 [2020-09-25 14:15:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:23,785 INFO L479 AbstractCegarLoop]: Abstraction has 474 states and 543 transitions. [2020-09-25 14:15:23,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 543 transitions. [2020-09-25 14:15:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-25 14:15:23,790 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:23,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:23,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:15:23,791 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:23,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1418770370, now seen corresponding path program 1 times [2020-09-25 14:15:23,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:23,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597132385] [2020-09-25 14:15:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 14:15:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:15:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 14:15:28,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 14:15:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 14:15:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:29,161 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 14:15:29,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:15:29,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:29,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:29,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:29,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:29,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:29,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:29,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:29,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:29,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:29,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:29,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:15:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 14:15:29,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:15:29,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-09-25 14:15:29,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 14:15:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:29,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:29,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 14:15:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:15:29,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:15:29,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:29,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:29,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:15:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:29,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:29,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 14:15:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:29,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:29,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 14:15:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 14:15:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:29,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:29,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 14:15:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:29,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:29,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:29,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:29,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:29,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:29,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:29,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-25 14:15:29,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597132385] [2020-09-25 14:15:29,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:29,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:15:29,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838560592] [2020-09-25 14:15:29,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:15:29,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:29,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:15:29,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:29,742 INFO L87 Difference]: Start difference. First operand 474 states and 543 transitions. Second operand 7 states. [2020-09-25 14:15:30,534 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:15:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:31,511 INFO L93 Difference]: Finished difference Result 777 states and 933 transitions. [2020-09-25 14:15:31,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:15:31,511 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-09-25 14:15:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:31,516 INFO L225 Difference]: With dead ends: 777 [2020-09-25 14:15:31,516 INFO L226 Difference]: Without dead ends: 564 [2020-09-25 14:15:31,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:15:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-25 14:15:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 434. [2020-09-25 14:15:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-09-25 14:15:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 483 transitions. [2020-09-25 14:15:31,581 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 483 transitions. Word has length 205 [2020-09-25 14:15:31,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:31,581 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 483 transitions. [2020-09-25 14:15:31,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:15:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 483 transitions. [2020-09-25 14:15:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-25 14:15:31,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:31,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:31,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:15:31,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1785871732, now seen corresponding path program 1 times [2020-09-25 14:15:31,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:31,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677714403] [2020-09-25 14:15:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:31,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:31,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:34,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 14:15:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:15:37,003 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:37,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 14:15:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:15:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:37,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:37,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:15:37,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:15:37,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:37,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:37,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:37,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:37,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:15:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 14:15:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:15:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-25 14:15:37,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:15:37,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 14:15:37,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:37,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:37,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 14:15:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:15:37,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 14:15:37,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:15:37,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:15:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:37,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:37,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:15:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:37,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:37,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:15:37,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:37,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:15:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:15:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 14:15:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:15:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:38,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 14:15:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:38,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 14:15:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:38,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:38,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:38,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:38,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:38,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:38,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:38,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 14:15:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 14:15:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:38,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:38,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:38,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:38,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:38,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 14:15:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:38,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:38,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:38,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:38,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 14:15:38,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677714403] [2020-09-25 14:15:38,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:15:38,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 14:15:38,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302241558] [2020-09-25 14:15:38,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:15:38,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:38,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:15:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:15:38,140 INFO L87 Difference]: Start difference. First operand 434 states and 483 transitions. Second operand 13 states. [2020-09-25 14:15:38,743 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:39,753 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:40,547 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:40,902 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:15:41,612 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 14:15:41,917 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:15:42,591 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-25 14:15:42,915 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:15:43,575 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2020-09-25 14:15:44,224 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 14:15:44,925 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-25 14:15:45,563 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-25 14:15:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:46,375 INFO L93 Difference]: Finished difference Result 835 states and 1035 transitions. [2020-09-25 14:15:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-25 14:15:46,376 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-09-25 14:15:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:46,377 INFO L225 Difference]: With dead ends: 835 [2020-09-25 14:15:46,377 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:15:46,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=388, Invalid=1094, Unknown=0, NotChecked=0, Total=1482 [2020-09-25 14:15:46,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:15:46,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:15:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:15:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:15:46,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2020-09-25 14:15:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:46,382 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:15:46,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:15:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:15:46,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:15:46,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:15:46,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:15:46,629 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:46,991 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 143 [2020-09-25 14:15:47,168 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:47,344 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:47,546 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:47,729 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:48,046 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 8 [2020-09-25 14:15:48,220 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:48,469 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 8 [2020-09-25 14:15:48,727 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 8 [2020-09-25 14:15:49,081 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 14:15:49,452 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 194 [2020-09-25 14:15:49,817 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-25 14:15:50,186 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-25 14:15:50,571 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-09-25 14:15:50,958 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 194 [2020-09-25 14:15:51,324 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-09-25 14:15:51,697 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 194