/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:35:51,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:35:51,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:35:51,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:35:51,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:35:51,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:35:51,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:35:51,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:35:51,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:35:51,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:35:51,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:35:51,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:35:51,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:35:51,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:35:51,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:35:51,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:35:51,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:35:51,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:35:51,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:35:51,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:35:51,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:35:51,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:35:51,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:35:51,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:35:51,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:35:51,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:35:51,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:35:51,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:35:51,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:35:51,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:35:51,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:35:51,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:35:51,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:35:51,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:35:51,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:35:51,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:35:51,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:35:51,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:35:51,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:35:51,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:35:51,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:35:51,463 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 07:35:51,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:35:51,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:35:51,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:35:51,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:35:51,517 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:35:51,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:35:51,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:35:51,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:35:51,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:35:51,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:35:51,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:35:51,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:35:51,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:35:51,521 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:35:51,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:35:51,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:35:51,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:35:51,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:35:51,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:35:51,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:35:51,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:35:51,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:35:51,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:35:51,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:35:51,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:35:51,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:35:51,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:35:51,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:35:51,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:35:51,525 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:35:51,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:35:51,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:35:51,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:35:52,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:35:52,002 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:35:52,003 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 07:35:52,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7584958/e34e03136c7a49268506d01c5eaa5060/FLAGbc1d2a426 [2020-09-25 07:35:52,716 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:35:52,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-09-25 07:35:52,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7584958/e34e03136c7a49268506d01c5eaa5060/FLAGbc1d2a426 [2020-09-25 07:35:52,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7584958/e34e03136c7a49268506d01c5eaa5060 [2020-09-25 07:35:52,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:35:52,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:35:52,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:52,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:35:52,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:35:52,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:52" (1/1) ... [2020-09-25 07:35:52,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:52, skipping insertion in model container [2020-09-25 07:35:52,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:52" (1/1) ... [2020-09-25 07:35:52,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:35:53,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:35:53,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:53,467 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:35:53,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:53,693 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:35:53,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53 WrapperNode [2020-09-25 07:35:53,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:53,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:35:53,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:35:53,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:35:53,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (1/1) ... [2020-09-25 07:35:53,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:35:53,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:35:53,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:35:53,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:35:53,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (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 07:35:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:35:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:35:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:35:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:35:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:35:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:35:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:35:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:35:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:35:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:35:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:35:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:35:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:35:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:35:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:35:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:35:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:35:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:35:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:35:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:35:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:35:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:35:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:35:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:35:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 07:35:53,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:35:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:35:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:35:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:35:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:35:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:35:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:35:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:35:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:35:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:35:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:35:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:35:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:35:53,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:35:53,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:35:53,896 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:35:53,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 07:35:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:35:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:35:53,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:35:55,048 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:35:55,048 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:35:55,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:55 BoogieIcfgContainer [2020-09-25 07:35:55,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:35:55,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:35:55,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:35:55,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:35:55,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:35:52" (1/3) ... [2020-09-25 07:35:55,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22620ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:55, skipping insertion in model container [2020-09-25 07:35:55,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:53" (2/3) ... [2020-09-25 07:35:55,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22620ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:55, skipping insertion in model container [2020-09-25 07:35:55,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:55" (3/3) ... [2020-09-25 07:35:55,066 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-09-25 07:35:55,078 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:35:55,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:35:55,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:35:55,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:35:55,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:35:55,151 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:35:55,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:35:55,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:35:55,152 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:35:55,152 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:35:55,152 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:35:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-25 07:35:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:35:55,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:55,205 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 07:35:55,205 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:55,214 INFO L82 PathProgramCache]: Analyzing trace with hash -29194710, now seen corresponding path program 1 times [2020-09-25 07:35:55,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:55,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276942241] [2020-09-25 07:35:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:55,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:56,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:57,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:36:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:36:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 07:36:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:00,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:36:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:36:01,174 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:36:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:36:01,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 07:36:01,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:36:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:01,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:01,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:01,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:36:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:01,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:36:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:36:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:36:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:01,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:01,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:36:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:01,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:36:01,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:36:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:01,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:01,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:01,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:01,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:36:01,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:01,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:01,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:01,470 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 07:36:01,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276942241] [2020-09-25 07:36:01,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:36:01,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:36:01,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239453530] [2020-09-25 07:36:01,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:36:01,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:36:01,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:36:01,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:36:01,521 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 3 states. [2020-09-25 07:36:02,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:36:02,978 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-25 07:36:02,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:36:02,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:36:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:36:03,003 INFO L225 Difference]: With dead ends: 488 [2020-09-25 07:36:03,003 INFO L226 Difference]: Without dead ends: 303 [2020-09-25 07:36:03,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:36:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-25 07:36:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-25 07:36:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 07:36:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-25 07:36:03,132 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-25 07:36:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:36:03,133 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-25 07:36:03,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:36:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-25 07:36:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:36:03,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:36:03,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:36:03,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:36:03,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:36:03,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:36:03,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1893464465, now seen corresponding path program 1 times [2020-09-25 07:36:03,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:36:03,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988628845] [2020-09-25 07:36:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:36:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:05,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:06,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:36:08,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:36:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 07:36:08,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:36:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:36:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:36:08,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,519 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:08,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:36:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:36:08,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 07:36:08,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:36:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:08,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:08,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:36:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:08,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:08,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:36:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:08,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:36:08,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:36:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:08,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:08,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:36:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:08,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:08,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:08,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:36:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:08,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:08,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:08,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:08,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:08,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:08,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:08,735 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 07:36:08,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988628845] [2020-09-25 07:36:08,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:36:08,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:36:08,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441009695] [2020-09-25 07:36:08,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:36:08,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:36:08,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:36:08,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:36:08,742 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-25 07:36:09,419 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:36:10,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:36:10,574 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-25 07:36:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:36:10,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:36:10,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:36:10,580 INFO L225 Difference]: With dead ends: 395 [2020-09-25 07:36:10,580 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 07:36:10,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:36:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 07:36:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-25 07:36:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 07:36:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-25 07:36:10,629 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-25 07:36:10,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:36:10,629 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-25 07:36:10,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:36:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-25 07:36:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 07:36:10,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:36:10,632 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 07:36:10,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:36:10,633 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:36:10,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:36:10,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1620953734, now seen corresponding path program 1 times [2020-09-25 07:36:10,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:36:10,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856054808] [2020-09-25 07:36:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:36:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:10,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:15,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:15,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 07:36:15,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:36:15,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 07:36:15,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:15,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:36:15,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:36:15,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 07:36:15,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:16,020 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:36:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:36:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 07:36:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:36:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:16,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:36:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:16,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:36:16,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:36:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:16,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:36:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:36:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:16,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:36:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 07:36:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:36:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:36:16,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:36:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:36:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 07:36:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 07:36:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:16,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:36:16,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 07:36:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:16,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:16,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:16,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:16,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:16,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:16,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:16,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:36:16,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:16,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:36:16,305 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 07:36:16,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856054808] [2020-09-25 07:36:16,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:36:16,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:36:16,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431176226] [2020-09-25 07:36:16,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:36:16,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:36:16,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:36:16,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:36:16,310 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-25 07:36:16,989 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:36:18,905 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 07:36:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:36:18,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 07:36:18,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:36:18,916 INFO L225 Difference]: With dead ends: 597 [2020-09-25 07:36:18,917 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 07:36:18,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:36:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 07:36:19,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-25 07:36:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 07:36:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-25 07:36:19,037 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-25 07:36:19,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:36:19,039 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-25 07:36:19,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:36:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-25 07:36:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:36:19,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:36:19,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:36:19,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:36:19,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:36:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:36:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1603328841, now seen corresponding path program 1 times [2020-09-25 07:36:19,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:36:19,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615420798] [2020-09-25 07:36:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:36:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:36:24,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:36:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:36:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:36:24,496 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:36:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:36:24,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 07:36:24,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:36:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:24,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:24,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:36:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:24,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:24,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:24,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:36:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:24,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:36:24,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:24,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:36:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:36:24,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:36:24,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:36:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:36:24,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:36:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:36:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:36:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:36:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:36:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:36:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:24,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:36:24,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:36:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:36:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:36:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:36:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:36:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:36:24,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:36:24,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:36:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:36:24,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:36:24,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:36:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:36:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:36:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:36:24,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:36:24,847 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 07:36:24,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615420798] [2020-09-25 07:36:24,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:36:24,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:36:24,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972504231] [2020-09-25 07:36:24,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:36:24,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:36:24,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:36:24,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:36:24,851 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-25 07:36:25,516 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:26,962 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:36:27,557 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 07:36:27,871 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:28,183 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:36:28,477 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:36:28,707 INFO L93 Difference]: Finished difference Result 587 states and 686 transitions. [2020-09-25 07:36:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:36:28,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:36:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:36:28,710 INFO L225 Difference]: With dead ends: 587 [2020-09-25 07:36:28,710 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:36:28,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:36:28,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:36:28,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:36:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:36:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:36:28,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:36:28,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:36:28,714 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:36:28,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:36:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:36:28,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:36:28,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:36:28,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:36:28,888 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:29,049 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:29,206 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:29,485 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 07:36:29,633 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:29,804 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:29,958 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:30,071 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:36:30,227 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:30,381 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:30,493 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 07:36:30,807 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:31,120 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:31,431 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:31,664 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:36:31,972 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:36:32,280 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:36:32,586 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 07:36:32,742 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:32,882 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:33,030 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:33,174 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:33,322 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:33,471 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:33,622 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:33,770 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:33,914 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:34,065 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:34,214 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:34,359 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:34,514 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:34,658 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:34,807 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:34,955 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:35,103 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:35,254 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:35,403 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:35,552 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:35,696 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:35,842 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:35,990 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:36,144 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:36,290 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:36,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:36,697 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:36,842 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:36,992 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:37,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:37,291 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:37,449 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:37,705 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:37,954 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:38,103 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:38,416 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:38,726 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:39,037 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 07:36:39,269 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 07:36:39,418 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:39,577 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:39,726 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:39,875 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:40,023 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:40,171 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:40,597 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:36:40,802 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:40,993 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:36:41,426 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 07:36:41,848 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:36:41,995 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 07:36:42,171 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:42,439 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:36:42,668 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:42,890 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 07:36:43,297 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 07:36:43,513 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1