/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:01:21,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:01:21,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:01:21,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:01:21,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:01:21,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:01:21,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:01:21,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:01:21,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:01:21,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:01:21,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:01:21,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:01:21,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:01:21,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:01:21,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:01:21,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:01:21,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:01:21,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:01:21,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:01:21,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:01:21,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:01:21,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:01:21,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:01:21,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:01:21,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:01:21,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:01:21,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:01:21,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:01:21,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:01:21,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:01:21,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:01:21,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:01:21,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:01:21,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:01:21,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:01:21,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:01:21,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:01:21,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:01:21,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:01:21,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:01:21,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:01:21,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:01:21,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:01:21,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:01:21,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:01:21,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:01:21,497 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:01:21,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:01:21,497 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:01:21,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:01:21,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:01:21,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:01:21,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:01:21,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:01:21,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:01:21,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:01:21,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:01:21,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:01:21,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:01:21,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:01:21,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:01:21,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:01:21,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:01:21,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:01:21,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:01:21,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:01:21,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:01:21,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:01:21,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:01:21,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:01:21,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:01:21,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:01:21,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:01:21,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:01:21,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:01:21,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:01:21,971 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:01:21,972 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-25 03:01:22,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b526f99/fcf11c1c9bee4ef691593fb3534c5544/FLAGeb3e9a05a [2020-09-25 03:01:22,670 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:01:22,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-25 03:01:22,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b526f99/fcf11c1c9bee4ef691593fb3534c5544/FLAGeb3e9a05a [2020-09-25 03:01:22,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68b526f99/fcf11c1c9bee4ef691593fb3534c5544 [2020-09-25 03:01:22,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:01:22,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:01:22,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:22,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:01:22,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:01:22,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:22" (1/1) ... [2020-09-25 03:01:22,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c71f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:22, skipping insertion in model container [2020-09-25 03:01:22,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:22" (1/1) ... [2020-09-25 03:01:22,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:01:23,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:01:23,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:23,552 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:01:23,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:23,717 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:01:23,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23 WrapperNode [2020-09-25 03:01:23,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:23,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:01:23,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:01:23,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:01:23,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:01:23,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:01:23,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:01:23,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:01:23,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:01:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:01:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:01:23,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:01:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:01:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:01:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:01:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:01:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:01:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:01:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:01:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:01:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:01:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:01:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:01:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:01:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:01:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:01:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:01:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:01:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:01:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:01:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:01:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:01:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:01:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:01:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:01:23,928 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:01:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:01:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:01:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:01:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:01:23,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:01:23,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:01:23,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:01:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:01:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:01:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:01:23,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:01:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:01:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:01:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:01:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:01:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:01:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:01:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:01:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:01:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:01:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:01:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:01:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:01:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:01:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:01:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:01:23,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:01:23,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:01:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:01:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:01:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:01:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:01:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:01:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:01:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:01:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:01:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:01:25,098 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:01:25,098 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:01:25,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:01:25 BoogieIcfgContainer [2020-09-25 03:01:25,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:01:25,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:01:25,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:01:25,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:01:25,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:01:22" (1/3) ... [2020-09-25 03:01:25,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de03c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:01:25, skipping insertion in model container [2020-09-25 03:01:25,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23" (2/3) ... [2020-09-25 03:01:25,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de03c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:01:25, skipping insertion in model container [2020-09-25 03:01:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:01:25" (3/3) ... [2020-09-25 03:01:25,116 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-09-25 03:01:25,128 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:01:25,140 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:01:25,164 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:01:25,197 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:01:25,197 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:01:25,197 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:01:25,198 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:01:25,198 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:01:25,198 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:01:25,198 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:01:25,198 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:01:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-25 03:01:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:01:25,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:25,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:01:25,248 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:25,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:25,256 INFO L82 PathProgramCache]: Analyzing trace with hash 2005054536, now seen corresponding path program 1 times [2020-09-25 03:01:25,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:25,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506801964] [2020-09-25 03:01:25,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:25,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:27,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:30,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:30,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:01:30,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-09-25 03:01:30,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:01:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:01:30,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 03:01:30,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:01:31,170 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:31,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:31,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-25 03:01:31,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:01:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:31,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:31,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:31,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:31,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:31,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:31,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:31,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:31,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:31,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:31,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:31,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:31,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:31,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:01:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:31,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:31,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:01:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:31,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:01:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:31,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:31,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:01:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:31,761 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 03:01:31,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506801964] [2020-09-25 03:01:31,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:31,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:01:31,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747553] [2020-09-25 03:01:31,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:01:31,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:31,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:01:31,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:01:31,805 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 8 states. [2020-09-25 03:01:32,454 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:33,346 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:33,630 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:34,036 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:34,408 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:34,737 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:35,085 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:35,397 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:37,040 INFO L93 Difference]: Finished difference Result 556 states and 690 transitions. [2020-09-25 03:01:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:01:37,043 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:01:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:37,081 INFO L225 Difference]: With dead ends: 556 [2020-09-25 03:01:37,081 INFO L226 Difference]: Without dead ends: 386 [2020-09-25 03:01:37,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:01:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-25 03:01:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2020-09-25 03:01:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-25 03:01:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 388 transitions. [2020-09-25 03:01:37,254 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 388 transitions. Word has length 142 [2020-09-25 03:01:37,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:37,258 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 388 transitions. [2020-09-25 03:01:37,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:01:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 388 transitions. [2020-09-25 03:01:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:01:37,274 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:37,275 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 03:01:37,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:01:37,275 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:37,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:37,276 INFO L82 PathProgramCache]: Analyzing trace with hash 297309340, now seen corresponding path program 1 times [2020-09-25 03:01:37,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:37,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138309617] [2020-09-25 03:01:37,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:42,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:42,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:01:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:01:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 03:01:42,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:01:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:01:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 03:01:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:42,683 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:42,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:42,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:43,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 03:01:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:01:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:43,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:43,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:43,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:43,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:43,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:43,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:43,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:43,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:01:43,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:01:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:01:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:43,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:01:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:01:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:43,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:43,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:43,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:43,166 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 03:01:43,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138309617] [2020-09-25 03:01:43,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:43,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:01:43,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982144836] [2020-09-25 03:01:43,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:01:43,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:43,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:01:43,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:01:43,175 INFO L87 Difference]: Start difference. First operand 342 states and 388 transitions. Second operand 5 states. [2020-09-25 03:01:43,739 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:45,835 INFO L93 Difference]: Finished difference Result 881 states and 1082 transitions. [2020-09-25 03:01:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:01:45,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 03:01:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:45,850 INFO L225 Difference]: With dead ends: 881 [2020-09-25 03:01:45,850 INFO L226 Difference]: Without dead ends: 649 [2020-09-25 03:01:45,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:01:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-09-25 03:01:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 561. [2020-09-25 03:01:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-25 03:01:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 651 transitions. [2020-09-25 03:01:45,992 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 651 transitions. Word has length 148 [2020-09-25 03:01:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:45,993 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 651 transitions. [2020-09-25 03:01:45,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:01:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 651 transitions. [2020-09-25 03:01:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:01:45,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:45,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:01:45,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:01:45,998 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:45,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:45,998 INFO L82 PathProgramCache]: Analyzing trace with hash -104151563, now seen corresponding path program 1 times [2020-09-25 03:01:45,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:45,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040469637] [2020-09-25 03:01:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 03:01:51,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:01:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 03:01:51,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 03:01:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:01:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 03:01:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:51,478 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:51,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-25 03:01:51,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:01:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:51,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:51,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:51,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:01:51,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:51,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:51,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:01:51,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 03:01:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:01:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:01:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:01:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:01:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:51,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:51,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:51,986 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 03:01:51,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040469637] [2020-09-25 03:01:51,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:51,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:01:51,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269067278] [2020-09-25 03:01:51,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:01:51,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:51,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:01:51,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:01:51,990 INFO L87 Difference]: Start difference. First operand 561 states and 651 transitions. Second operand 6 states. [2020-09-25 03:01:52,489 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:53,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:53,239 INFO L93 Difference]: Finished difference Result 887 states and 1076 transitions. [2020-09-25 03:01:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 03:01:53,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 03:01:53,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:53,244 INFO L225 Difference]: With dead ends: 887 [2020-09-25 03:01:53,244 INFO L226 Difference]: Without dead ends: 415 [2020-09-25 03:01:53,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:01:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-09-25 03:01:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 389. [2020-09-25 03:01:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-09-25 03:01:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 424 transitions. [2020-09-25 03:01:53,295 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 424 transitions. Word has length 156 [2020-09-25 03:01:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:53,296 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 424 transitions. [2020-09-25 03:01:53,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:01:53,296 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 424 transitions. [2020-09-25 03:01:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 03:01:53,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:53,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:01:53,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:01:53,300 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:53,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:53,300 INFO L82 PathProgramCache]: Analyzing trace with hash 653831882, now seen corresponding path program 1 times [2020-09-25 03:01:53,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:53,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893662745] [2020-09-25 03:01:53,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:54,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:55,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:58,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:58,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 03:01:58,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 03:01:58,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:01:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:01:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 03:01:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:58,790 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 03:01:59,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:01:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:59,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:59,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:59,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:59,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:59,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:59,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:59,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:01:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:59,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:59,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:01:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:59,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 03:01:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:01:59,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:01:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:01:59,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:01:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:01:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:01:59,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:59,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:59,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:59,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 03:01:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:59,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 03:01:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:59,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:59,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:59,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:59,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:01:59,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:59,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:01:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:59,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:59,338 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 03:01:59,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893662745] [2020-09-25 03:01:59,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:59,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:01:59,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087162523] [2020-09-25 03:01:59,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:01:59,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:59,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:01:59,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:01:59,340 INFO L87 Difference]: Start difference. First operand 389 states and 424 transitions. Second operand 10 states. [2020-09-25 03:01:59,896 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:01,093 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:01,397 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:02:01,736 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:02,079 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 03:02:02,386 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:02:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:02:02,621 INFO L93 Difference]: Finished difference Result 415 states and 458 transitions. [2020-09-25 03:02:02,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 03:02:02,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 03:02:02,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:02:02,622 INFO L225 Difference]: With dead ends: 415 [2020-09-25 03:02:02,622 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:02:02,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:02:02,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:02:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:02:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:02:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:02:02,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 03:02:02,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:02:02,625 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:02:02,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:02:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:02:02,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:02:02,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:02:02,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:02:02,857 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,037 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:03,217 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:03,385 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:03,760 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 03:02:04,070 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:04,235 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:04,531 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:04,834 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:05,000 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,160 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:05,319 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:05,482 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,634 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:05,800 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,994 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 03:02:06,156 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:06,317 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,475 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,629 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:06,790 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,943 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:07,096 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:07,245 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:07,399 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:07,552 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:07,705 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:07,853 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:08,011 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,170 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,322 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:08,476 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:08,625 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:08,743 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 03:02:08,914 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:09,067 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,226 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,376 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:09,521 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:09,679 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:09,833 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,995 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190