/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:01:22,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:01:22,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:01:22,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:01:22,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:01:22,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:01:22,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:01:22,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:01:22,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:01:22,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:01:22,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:01:22,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:01:22,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:01:22,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:01:22,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:01:22,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:01:22,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:01:22,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:01:22,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:01:22,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:01:22,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:01:22,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:01:22,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:01:22,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:01:22,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:01:22,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:01:22,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:01:22,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:01:22,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:01:22,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:01:22,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:01:22,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:01:22,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:01:22,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:01:22,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:01:22,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:01:22,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:01:22,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:01:22,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:01:22,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:01:22,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:01:22,344 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 03:01:22,376 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:01:22,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:01:22,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:01:22,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:01:22,379 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:01:22,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:01:22,381 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:01:22,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:01:22,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:01:22,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:01:22,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:01:22,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:01:22,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:01:22,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:01:22,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:01:22,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:01:22,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:01:22,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:01:22,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:01:22,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:01:22,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:01:22,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:01:22,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:01:22,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:01:22,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:01:22,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:01:22,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:01:22,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:01:22,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:01:22,387 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 03:01:22,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:01:22,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:01:22,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:01:22,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:01:22,898 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:01:22,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 03:01:22,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f366191a6/be5def256b2247a8a1973169b36597f5/FLAGa53b5da80 [2020-09-25 03:01:23,561 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:01:23,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 03:01:23,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f366191a6/be5def256b2247a8a1973169b36597f5/FLAGa53b5da80 [2020-09-25 03:01:23,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f366191a6/be5def256b2247a8a1973169b36597f5 [2020-09-25 03:01:23,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:01:23,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:01:23,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:23,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:01:23,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:01:23,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1e51c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:23, skipping insertion in model container [2020-09-25 03:01:23,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:23" (1/1) ... [2020-09-25 03:01:23,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:01:23,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:01:24,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:24,330 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:01:24,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:24,581 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:01:24,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24 WrapperNode [2020-09-25 03:01:24,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:24,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:01:24,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:01:24,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:01:24,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (1/1) ... [2020-09-25 03:01:24,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:01:24,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:01:24,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:01:24,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:01:24,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (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 03:01:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:01:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:01:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:01:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:01:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:01:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:01:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:01:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:01:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:01:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:01:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:01:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:01:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:01:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:01:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:01:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:01:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:01:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:01:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:01:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:01:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:01:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:01:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:01:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:01:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:01:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:01:25,963 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:01:25,963 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:01:25,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:01:25 BoogieIcfgContainer [2020-09-25 03:01:25,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:01:25,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:01:25,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:01:25,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:01:25,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:01:23" (1/3) ... [2020-09-25 03:01:25,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b6aad5 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 03:01:25,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:24" (2/3) ... [2020-09-25 03:01:25,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b6aad5 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 03:01:25,978 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 03:01:25,980 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-09-25 03:01:25,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:01:26,002 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:01:26,021 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:01:26,048 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:01:26,049 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:01:26,049 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:01:26,049 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:01:26,049 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:01:26,049 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:01:26,049 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:01:26,049 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:01:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-25 03:01:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:01:26,094 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:26,096 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 03:01:26,096 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash 2129634346, now seen corresponding path program 1 times [2020-09-25 03:01:26,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:26,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356962896] [2020-09-25 03:01:26,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:26,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:26,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:28,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:31,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:01:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 03:01:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:01:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:01:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:01:31,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:01:32,120 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:32,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 03:01:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:01:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:32,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:32,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:01:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:32,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:32,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:32,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:01:32,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:32,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:01:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:32,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:01:32,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:01:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:32,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:01:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:32,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:32,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:32,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:32,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:32,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:32,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:32,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:32,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:32,722 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 03:01:32,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356962896] [2020-09-25 03:01:32,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:32,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:01:32,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312675507] [2020-09-25 03:01:32,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:01:32,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:32,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:01:32,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:01:32,757 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 9 states. [2020-09-25 03:01:33,575 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:34,754 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:35,153 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:35,571 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:35,910 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:36,168 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:01:36,454 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:36,689 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:37,199 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:38,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:38,670 INFO L93 Difference]: Finished difference Result 572 states and 707 transitions. [2020-09-25 03:01:38,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 03:01:38,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2020-09-25 03:01:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:38,712 INFO L225 Difference]: With dead ends: 572 [2020-09-25 03:01:38,712 INFO L226 Difference]: Without dead ends: 398 [2020-09-25 03:01:38,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-25 03:01:38,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-09-25 03:01:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 353. [2020-09-25 03:01:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-09-25 03:01:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 400 transitions. [2020-09-25 03:01:38,903 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 400 transitions. Word has length 142 [2020-09-25 03:01:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:38,905 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 400 transitions. [2020-09-25 03:01:38,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:01:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 400 transitions. [2020-09-25 03:01:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:01:38,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:38,921 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 03:01:38,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:01:38,922 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:38,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:38,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1644997283, now seen corresponding path program 1 times [2020-09-25 03:01:38,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:38,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143843857] [2020-09-25 03:01:38,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:39,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:39,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:40,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:01:44,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:01:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 03:01:44,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:01:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:01:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 03:01:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,328 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:44,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 03:01:44,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:01:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:01:44,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:01:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:01:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:01:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:01:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,810 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 03:01:44,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143843857] [2020-09-25 03:01:44,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:44,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:01:44,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862287574] [2020-09-25 03:01:44,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:01:44,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:44,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:01:44,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:01:44,818 INFO L87 Difference]: Start difference. First operand 353 states and 400 transitions. Second operand 5 states. [2020-09-25 03:01:45,341 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:47,465 INFO L93 Difference]: Finished difference Result 963 states and 1197 transitions. [2020-09-25 03:01:47,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:01:47,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 03:01:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:47,473 INFO L225 Difference]: With dead ends: 963 [2020-09-25 03:01:47,474 INFO L226 Difference]: Without dead ends: 720 [2020-09-25 03:01:47,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:01:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-09-25 03:01:47,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 575. [2020-09-25 03:01:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-09-25 03:01:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 667 transitions. [2020-09-25 03:01:47,590 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 667 transitions. Word has length 148 [2020-09-25 03:01:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:47,591 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 667 transitions. [2020-09-25 03:01:47,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:01:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 667 transitions. [2020-09-25 03:01:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 03:01:47,594 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:47,594 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 03:01:47,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:01:47,595 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:47,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:47,595 INFO L82 PathProgramCache]: Analyzing trace with hash -68972720, now seen corresponding path program 1 times [2020-09-25 03:01:47,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:47,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398476406] [2020-09-25 03:01:47,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:47,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 03:01:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:01:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 03:01:52,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 03:01:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:01:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 03:01:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:52,934 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:53,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 03:01:53,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:01:53,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:53,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:53,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:53,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:53,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:01:53,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:53,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:53,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:53,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:01:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 03:01:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:01:53,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 03:01:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:53,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:53,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:01:53,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:53,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 03:01:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:53,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:53,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:53,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:53,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:01:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:53,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-25 03:01:53,385 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 03:01:53,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398476406] [2020-09-25 03:01:53,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:53,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:01:53,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643522731] [2020-09-25 03:01:53,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:01:53,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:53,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:01:53,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:01:53,387 INFO L87 Difference]: Start difference. First operand 575 states and 667 transitions. Second operand 6 states. [2020-09-25 03:01:53,932 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:54,711 INFO L93 Difference]: Finished difference Result 795 states and 970 transitions. [2020-09-25 03:01:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 03:01:54,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 03:01:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:54,713 INFO L225 Difference]: With dead ends: 795 [2020-09-25 03:01:54,713 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:01:54,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:01:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:01:54,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:01:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:01:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:01:54,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-25 03:01:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:54,720 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:01:54,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:01:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:01:54,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:01:54,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:01:54,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:01:54,922 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:55,111 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,298 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,479 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:55,661 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:55,851 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,029 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,166 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:56,336 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,455 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:56,614 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,732 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:57,030 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:57,324 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:57,620 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:57,788 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:57,947 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:58,107 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:58,277 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:58,430 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:58,584 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:58,742 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:58,898 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,051 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:59,205 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:59,362 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,521 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,678 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,833 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:59,985 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:00,142 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,301 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,460 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,801 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:01,140 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:01,479 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:01,734 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:01,992 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:02,150 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:02,265 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-25 03:02:02,424 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:02,577 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:02,735 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:02,894 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,046 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:03,201 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:03,360 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,717 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:03,973 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:04,240 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:04,578 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:04,915 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:05,171 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:05,429 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:05,766 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:06,102 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:06,217 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:02:06,373 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,530 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,868 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:07,204 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:07,542 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:07,798 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:08,057 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:08,214 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,374 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,533 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,699 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:08,851 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,004 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,161 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:09,314 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,473 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:09,638 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:09,797 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:09,955 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:10,066 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:02:10,265 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:10,423 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:10,581 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:10,734 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:10,886 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:11,043 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:11,195 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:11,348 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:11,506 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:11,664 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:11,822 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:11,982 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:12,135 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:12,289 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:12,447 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:12,605 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:12,758 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:12,911 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:13,068 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:13,226 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:13,649 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-25 03:02:13,869 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-25 03:02:14,103 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 03:02:14,386 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-25 03:02:14,664 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-25 03:02:14,916 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 14 [2020-09-25 03:02:15,180 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:15,410 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 03:02:15,775 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 03:02:16,196 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-09-25 03:02:16,656 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16