/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:06:43,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:06:43,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:06:43,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:06:43,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:06:43,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:06:43,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:06:43,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:06:43,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:06:43,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:06:43,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:06:43,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:06:43,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:06:43,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:06:43,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:06:43,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:06:43,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:06:43,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:06:43,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:06:43,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:06:43,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:06:43,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:06:43,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:06:43,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:06:43,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:06:43,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:06:43,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:06:43,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:06:43,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:06:43,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:06:43,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:06:43,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:06:43,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:06:43,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:06:43,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:06:43,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:06:43,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:06:43,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:06:43,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:06:43,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:06:43,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:06:43,488 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 [2020-09-21 11:06:43,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:06:43,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:06:43,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:06:43,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:06:43,526 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:06:43,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:06:43,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:06:43,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:06:43,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:06:43,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:06:43,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:06:43,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:06:43,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:06:43,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:06:43,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:06:43,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:06:43,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:06:43,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:06:43,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:06:43,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:06:43,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:06:43,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:06:43,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:06:43,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:06:43,532 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:06:43,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:06:44,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:06:44,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:06:44,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:06:44,024 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:06:44,025 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-21 11:06:44,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3da0fcab6/5f340813c25040a8834eed1536be9074/FLAG6f885287e [2020-09-21 11:06:44,706 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:06:44,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-09-21 11:06:44,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3da0fcab6/5f340813c25040a8834eed1536be9074/FLAG6f885287e [2020-09-21 11:06:44,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3da0fcab6/5f340813c25040a8834eed1536be9074 [2020-09-21 11:06:44,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:06:45,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:06:45,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:45,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:06:45,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:06:45,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:44" (1/1) ... [2020-09-21 11:06:45,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45, skipping insertion in model container [2020-09-21 11:06:45,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:06:44" (1/1) ... [2020-09-21 11:06:45,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:06:45,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:06:45,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:45,478 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:06:45,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:06:45,701 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:06:45,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45 WrapperNode [2020-09-21 11:06:45,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:06:45,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:06:45,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:06:45,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:06:45,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (1/1) ... [2020-09-21 11:06:45,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:06:45,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:06:45,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:06:45,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:06:45,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (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 [2020-09-21 11:06:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:06:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:06:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:06:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:06:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:06:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:06:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:06:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:06:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:06:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:06:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:06:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:06:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:06:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:06:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:06:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:06:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:06:45,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:06:45,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:06:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:06:45,902 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:06:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:06:45,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:06:45,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:06:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:06:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:06:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:06:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:06:45,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:06:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:06:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:06:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:06:47,066 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:06:47,066 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:06:47,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:47 BoogieIcfgContainer [2020-09-21 11:06:47,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:06:47,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:06:47,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:06:47,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:06:47,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:06:44" (1/3) ... [2020-09-21 11:06:47,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f233d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:47, skipping insertion in model container [2020-09-21 11:06:47,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:06:45" (2/3) ... [2020-09-21 11:06:47,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f233d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:06:47, skipping insertion in model container [2020-09-21 11:06:47,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:06:47" (3/3) ... [2020-09-21 11:06:47,083 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-09-21 11:06:47,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:06:47,108 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:06:47,131 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:06:47,165 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:06:47,165 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:06:47,165 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:06:47,165 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:06:47,165 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:06:47,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:06:47,166 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:06:47,166 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:06:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-09-21 11:06:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:06:47,206 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:47,207 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] [2020-09-21 11:06:47,207 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:47,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:47,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1030614044, now seen corresponding path program 1 times [2020-09-21 11:06:47,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:47,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867821959] [2020-09-21 11:06:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:47,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:47,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:47,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:47,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:47,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:06:47,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:06:47,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:06:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,060 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:48,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:48,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:48,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:06:48,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:48,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:48,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:48,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:48,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:48,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:48,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:48,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:48,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:48,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:48,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:06:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:48,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:48,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:48,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:48,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:48,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:48,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867821959] [2020-09-21 11:06:48,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:48,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:06:48,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702823125] [2020-09-21 11:06:48,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:06:48,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:48,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:06:48,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:48,300 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-09-21 11:06:49,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:49,425 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-09-21 11:06:49,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:06:49,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:06:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:49,444 INFO L225 Difference]: With dead ends: 256 [2020-09-21 11:06:49,444 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 11:06:49,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:06:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 11:06:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-09-21 11:06:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 11:06:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-09-21 11:06:49,583 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-09-21 11:06:49,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:49,584 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-09-21 11:06:49,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:06:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-09-21 11:06:49,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:06:49,590 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:49,590 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] [2020-09-21 11:06:49,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:06:49,591 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:49,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:49,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1356114072, now seen corresponding path program 1 times [2020-09-21 11:06:49,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:49,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966609962] [2020-09-21 11:06:49,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:49,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:49,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:49,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:49,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:49,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:06:49,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:49,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:06:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:49,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,062 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:50,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:50,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:50,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:50,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:06:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:50,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:50,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:50,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:50,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:50,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:50,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:50,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:50,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:50,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:50,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966609962] [2020-09-21 11:06:50,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:50,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:50,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883114250] [2020-09-21 11:06:50,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:50,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:50,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:50,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:50,171 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-09-21 11:06:50,693 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:51,463 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-09-21 11:06:51,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:06:51,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:06:51,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:51,471 INFO L225 Difference]: With dead ends: 197 [2020-09-21 11:06:51,471 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:06:51,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:51,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:06:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 11:06:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:06:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-09-21 11:06:51,509 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-09-21 11:06:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:51,509 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-09-21 11:06:51,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-09-21 11:06:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:06:51,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:51,512 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] [2020-09-21 11:06:51,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:06:51,512 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:51,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:51,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1966114986, now seen corresponding path program 1 times [2020-09-21 11:06:51,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:51,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636358885] [2020-09-21 11:06:51,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:51,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:51,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:51,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:51,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:51,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:06:51,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-21 11:06:51,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:06:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:51,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:06:51,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,222 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:52,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:06:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:52,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:52,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:52,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:52,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:52,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:52,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:52,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:52,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:06:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:52,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:06:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:52,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:52,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:52,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:52,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:52,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:52,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:52,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:52,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636358885] [2020-09-21 11:06:52,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:52,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:06:52,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102535858] [2020-09-21 11:06:52,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:06:52,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:52,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:06:52,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:06:52,449 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 5 states. [2020-09-21 11:06:52,836 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:53,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:53,729 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-09-21 11:06:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:06:53,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:06:53,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:53,732 INFO L225 Difference]: With dead ends: 210 [2020-09-21 11:06:53,732 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:06:53,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:53,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:06:53,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 11:06:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:06:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-09-21 11:06:53,766 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-09-21 11:06:53,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:53,766 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-09-21 11:06:53,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:06:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-09-21 11:06:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:06:53,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:53,768 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] [2020-09-21 11:06:53,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:06:53,769 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1641395945, now seen corresponding path program 1 times [2020-09-21 11:06:53,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:53,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041857805] [2020-09-21 11:06:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:06:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-21 11:06:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:06:54,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:06:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,481 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:54,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:54,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:54,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:54,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:54,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:54,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:06:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:54,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:06:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:54,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:54,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:54,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:54,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:54,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:06:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:54,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:54,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:54,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:54,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:54,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:54,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:54,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:54,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:54,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:54,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:54,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:54,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:54,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041857805] [2020-09-21 11:06:54,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:54,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:54,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773478526] [2020-09-21 11:06:54,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:54,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:54,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:54,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:54,676 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-09-21 11:06:55,312 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:56,527 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:56,923 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:57,241 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:57,611 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:58,697 INFO L93 Difference]: Finished difference Result 324 states and 430 transitions. [2020-09-21 11:06:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:06:58,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 11:06:58,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:58,702 INFO L225 Difference]: With dead ends: 324 [2020-09-21 11:06:58,702 INFO L226 Difference]: Without dead ends: 248 [2020-09-21 11:06:58,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:06:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-21 11:06:58,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 170. [2020-09-21 11:06:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-21 11:06:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2020-09-21 11:06:58,762 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2020-09-21 11:06:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:58,762 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2020-09-21 11:06:58,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2020-09-21 11:06:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:06:58,764 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:58,765 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] [2020-09-21 11:06:58,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:06:58,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:58,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:58,765 INFO L82 PathProgramCache]: Analyzing trace with hash 781494331, now seen corresponding path program 1 times [2020-09-21 11:06:58,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:58,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928046322] [2020-09-21 11:06:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 11:06:59,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-09-21 11:06:59,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:06:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:06:59,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:59,577 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:59,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:06:59,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:59,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:06:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:59,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:59,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:06:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:59,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:59,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:59,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:59,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:06:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:59,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:59,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:59,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:06:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:59,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:59,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:59,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:59,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:59,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:59,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:59,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928046322] [2020-09-21 11:06:59,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:59,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:06:59,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274112020] [2020-09-21 11:06:59,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:06:59,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:59,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:06:59,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:06:59,792 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 10 states. [2020-09-21 11:07:00,291 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:07:01,376 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:01,700 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:02,033 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:02,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:07:02,333 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2020-09-21 11:07:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:07:02,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-09-21 11:07:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:07:02,335 INFO L225 Difference]: With dead ends: 309 [2020-09-21 11:07:02,335 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:07:02,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:07:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:07:02,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:07:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:07:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:07:02,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 11:07:02,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:07:02,338 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:07:02,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:07:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:07:02,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:07:02,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:07:02,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:07:02,532 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:02,699 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:02,867 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:03,024 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:03,184 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:03,349 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:03,509 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:03,671 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:03,832 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:03,987 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:04,145 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:04,660 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-09-21 11:07:04,837 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:05,002 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:05,161 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:05,324 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:05,480 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:05,665 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:05,808 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:06,184 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:07:06,560 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:07:06,850 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:07:07,137 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 11:07:07,511 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:07:07,878 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 11:07:08,041 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:08,198 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:08,351 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:08,503 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:08,671 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:08,829 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:08,987 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:09,140 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:09,301 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:09,459 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:09,616 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:09,774 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:09,926 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:10,084 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:10,241 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:10,398 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:10,556 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:10,713 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:10,866 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:11,024 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:11,201 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:11,506 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 11:07:11,811 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 11:07:11,969 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:12,126 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:12,571 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-09-21 11:07:12,734 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:12,896 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:13,057 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:13,210 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:13,578 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:13,965 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:14,249 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:14,532 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 11:07:14,902 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:15,270 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 11:07:15,427 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:15,857 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2020-09-21 11:07:16,010 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:16,173 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:07:16,332 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:07:16,799 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 11:07:17,228 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 11:07:17,692 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:07:17,926 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:18,139 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:18,347 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:07:18,479 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-09-21 11:07:18,901 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 11:07:19,178 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:07:19,646 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 11:07:20,071 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 11:07:20,512 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 11:07:20,752 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:20,985 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:21,423 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:07:21,731 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:22,025 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 11:07:22,255 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:22,364 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-09-21 11:07:22,605 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:22,843 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 11:07:23,060 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 11:07:23,475 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 11:07:23,595 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-09-21 11:07:23,824 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 11:07:24,252 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 11:07:24,274 INFO L268 CegarLoopResult]: For program point L606(lines 583 607) no Hoare annotation was computed. [2020-09-21 11:07:24,274 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 559 614) no Hoare annotation was computed. [2020-09-21 11:07:24,274 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-09-21 11:07:24,274 INFO L268 CegarLoopResult]: For program point L590-1(lines 590 594) no Hoare annotation was computed. [2020-09-21 11:07:24,274 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 559 614) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 605) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 559 614) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 666) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point L667(lines 640 668) no Hoare annotation was computed. [2020-09-21 11:07:24,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 615 674) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 615 674) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 615 674) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-09-21 11:07:24,276 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-09-21 11:07:24,277 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2020-09-21 11:07:24,277 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2020-09-21 11:07:24,277 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2020-09-21 11:07:24,277 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2020-09-21 11:07:24,277 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2020-09-21 11:07:24,277 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,278 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2020-09-21 11:07:24,278 INFO L264 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,278 INFO L264 CegarLoopResult]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,278 INFO L268 CegarLoopResult]: For program point L368(lines 368 375) no Hoare annotation was computed. [2020-09-21 11:07:24,278 INFO L268 CegarLoopResult]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2020-09-21 11:07:24,278 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-21 11:07:24,279 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,279 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2020-09-21 11:07:24,279 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,279 INFO L264 CegarLoopResult]: At program point L364-1(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,279 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-21 11:07:24,279 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-09-21 11:07:24,280 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-21 11:07:24,281 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2020-09-21 11:07:24,282 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 513 558) no Hoare annotation was computed. [2020-09-21 11:07:24,283 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 513 558) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 513 558) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 826 871) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 826 871) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point L840(lines 840 860) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 860) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 826 871) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,284 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2020-09-21 11:07:24,284 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 127 137) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2020-09-21 11:07:24,285 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,286 INFO L268 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2020-09-21 11:07:24,286 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,286 INFO L268 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2020-09-21 11:07:24,286 INFO L268 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2020-09-21 11:07:24,286 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2020-09-21 11:07:24,286 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,286 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,286 INFO L268 CegarLoopResult]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2020-09-21 11:07:24,287 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,287 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2020-09-21 11:07:24,287 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2020-09-21 11:07:24,287 INFO L268 CegarLoopResult]: For program point L225(lines 224 271) no Hoare annotation was computed. [2020-09-21 11:07:24,287 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,287 INFO L264 CegarLoopResult]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,287 INFO L268 CegarLoopResult]: For program point L254(lines 254 267) no Hoare annotation was computed. [2020-09-21 11:07:24,288 INFO L268 CegarLoopResult]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2020-09-21 11:07:24,288 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,288 INFO L268 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-09-21 11:07:24,288 INFO L268 CegarLoopResult]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2020-09-21 11:07:24,288 INFO L264 CegarLoopResult]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,288 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,288 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L264 CegarLoopResult]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L264 CegarLoopResult]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-09-21 11:07:24,289 INFO L268 CegarLoopResult]: For program point L794(lines 794 814) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 780 825) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point L794-1(lines 794 814) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 780 825) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 780 825) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2020-09-21 11:07:24,290 INFO L268 CegarLoopResult]: For program point L896(lines 896 902) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L268 CegarLoopResult]: For program point L895(lines 895 905) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 11:07:24,291 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L268 CegarLoopResult]: For program point L891(lines 891 908) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L268 CegarLoopResult]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:24,291 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-09-21 11:07:24,291 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point L473(lines 473 481) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 465 487) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 481) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 465 487) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 465 487) no Hoare annotation was computed. [2020-09-21 11:07:24,292 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 383 392) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 677 779) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-09-21 11:07:24,293 INFO L268 CegarLoopResult]: For program point L727(lines 726 746) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L758-1(line 758) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L723(lines 723 764) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 677 779) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-09-21 11:07:24,294 INFO L268 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point L726-2(lines 726 746) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 677 779) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point L747(lines 725 748) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point L706(lines 706 722) no Hoare annotation was computed. [2020-09-21 11:07:24,295 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 111 118) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 111 118) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 111 118) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 488 496) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 488 496) no Hoare annotation was computed. [2020-09-21 11:07:24,296 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 488 496) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2020-09-21 11:07:24,297 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2020-09-21 11:07:24,298 INFO L264 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,298 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,298 INFO L268 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-09-21 11:07:24,298 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,298 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-09-21 11:07:24,298 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-09-21 11:07:24,298 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:07:24,299 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-09-21 11:07:24,299 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2020-09-21 11:07:24,299 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-09-21 11:07:24,299 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2020-09-21 11:07:24,299 INFO L271 CegarLoopResult]: At program point L307(lines 282 311) the Hoare annotation is: true [2020-09-21 11:07:24,299 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 11:07:24,299 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-09-21 11:07:24,299 INFO L271 CegarLoopResult]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2020-09-21 11:07:24,300 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-21 11:07:24,300 INFO L271 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2020-09-21 11:07:24,300 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2020-09-21 11:07:24,300 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2020-09-21 11:07:24,300 INFO L268 CegarLoopResult]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2020-09-21 11:07:24,300 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2020-09-21 11:07:24,300 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2020-09-21 11:07:24,301 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,301 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:07:24,301 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:07:24,301 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:07:24,301 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2020-09-21 11:07:24,301 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:07:24,301 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2020-09-21 11:07:24,302 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2020-09-21 11:07:24,302 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:07:24,302 INFO L268 CegarLoopResult]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2020-09-21 11:07:24,302 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2020-09-21 11:07:24,302 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2020-09-21 11:07:24,302 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2020-09-21 11:07:24,302 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2020-09-21 11:07:24,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:07:24 BoogieIcfgContainer [2020-09-21 11:07:24,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:07:24,325 INFO L168 Benchmark]: Toolchain (without parser) took 39325.96 ms. Allocated memory was 140.0 MB in the beginning and 600.3 MB in the end (delta: 460.3 MB). Free memory was 102.1 MB in the beginning and 328.7 MB in the end (delta: -226.6 MB). Peak memory consumption was 448.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,326 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.40 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 173.9 MB in the end (delta: -72.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,328 INFO L168 Benchmark]: Boogie Preprocessor took 101.10 ms. Allocated memory is still 203.9 MB. Free memory was 173.9 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,328 INFO L168 Benchmark]: RCFGBuilder took 1268.60 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.9 MB in the beginning and 200.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,329 INFO L168 Benchmark]: TraceAbstraction took 37248.74 ms. Allocated memory was 236.5 MB in the beginning and 600.3 MB in the end (delta: 363.9 MB). Free memory was 200.1 MB in the beginning and 328.7 MB in the end (delta: -128.6 MB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:07:24,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.40 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 173.9 MB in the end (delta: -72.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.10 ms. Allocated memory is still 203.9 MB. Free memory was 173.9 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1268.60 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.9 MB in the beginning and 200.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37248.74 ms. Allocated memory was 236.5 MB in the beginning and 600.3 MB in the end (delta: 363.9 MB). Free memory was 200.1 MB in the beginning and 328.7 MB in the end (delta: -128.6 MB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 770 SDslu, 351 SDs, 0 SdLazy, 1504 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 827 HoareAnnotationTreeSize, 258 FomulaSimplifications, 108270 FormulaSimplificationTreeSizeReduction, 13.9s HoareSimplificationTime, 53 FomulaSimplificationsInter, 9836 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 84733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...