/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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:01,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:01,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:01,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:01,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:01,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:01,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:01,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:01,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:01,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:01,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:01,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:01,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:01,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:01,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:01,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:01,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:01,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:01,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:01,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:01,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:01,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:01,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:01,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:01,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:01,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:01,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:01,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:01,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:01,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:01,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:01,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:01,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:01,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:01,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:01,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:01,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:01,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:01,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:01,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:01,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:01,686 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 11:03:01,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:01,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:01,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:01,715 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:01,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:01,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:01,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:01,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:01,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:01,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:01,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:01,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:01,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:01,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:01,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:01,721 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 11:03:02,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:02,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:02,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:02,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:02,936 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:02,938 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-21 11:03:03,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6290f20ac/2089a2114168436f91102a0b817d7a2a/FLAG9c4a08896 [2020-09-21 11:03:03,643 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:03,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-09-21 11:03:03,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6290f20ac/2089a2114168436f91102a0b817d7a2a/FLAG9c4a08896 [2020-09-21 11:03:03,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6290f20ac/2089a2114168436f91102a0b817d7a2a [2020-09-21 11:03:03,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:03,944 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:03,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:03,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:03,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:03,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:03, skipping insertion in model container [2020-09-21 11:03:03,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:04,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:04,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,415 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:04,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,667 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:04,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04 WrapperNode [2020-09-21 11:03:04,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:04,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:04,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:04,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:04,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:04,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:04,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:04,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:06,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:06,051 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:06,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:06 BoogieIcfgContainer [2020-09-21 11:03:06,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:06,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:06,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:06,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:06,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:03" (1/3) ... [2020-09-21 11:03:06,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ed39cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:06, skipping insertion in model container [2020-09-21 11:03:06,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (2/3) ... [2020-09-21 11:03:06,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ed39cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:06, skipping insertion in model container [2020-09-21 11:03:06,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:06" (3/3) ... [2020-09-21 11:03:06,067 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-09-21 11:03:06,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:06,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:06,112 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:06,142 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:06,143 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:06,143 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:06,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:06,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:06,144 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:06,144 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:06,144 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-09-21 11:03:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:06,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:06,184 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] [2020-09-21 11:03:06,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:06,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:06,192 INFO L82 PathProgramCache]: Analyzing trace with hash -2135633634, now seen corresponding path program 1 times [2020-09-21 11:03:06,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:06,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887984387] [2020-09-21 11:03:06,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:06,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:03:06,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,990 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:07,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:07,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:07,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:07,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:07,175 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 11:03:07,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887984387] [2020-09-21 11:03:07,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:07,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:07,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946098304] [2020-09-21 11:03:07,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:07,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:07,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:07,216 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-09-21 11:03:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:08,301 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-09-21 11:03:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:08,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:08,321 INFO L225 Difference]: With dead ends: 228 [2020-09-21 11:03:08,321 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 11:03:08,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 11:03:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-21 11:03:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 11:03:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-09-21 11:03:08,421 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-09-21 11:03:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:08,421 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-09-21 11:03:08,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-09-21 11:03:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:08,425 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:08,426 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] [2020-09-21 11:03:08,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:08,426 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:08,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1443818456, now seen corresponding path program 1 times [2020-09-21 11:03:08,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:08,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890085658] [2020-09-21 11:03:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:08,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:03:08,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,799 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:08,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:08,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,940 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 11:03:08,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890085658] [2020-09-21 11:03:08,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:08,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:08,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41655018] [2020-09-21 11:03:08,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:08,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:08,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:08,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:08,944 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-09-21 11:03:09,418 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:10,044 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-09-21 11:03:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:10,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:10,048 INFO L225 Difference]: With dead ends: 148 [2020-09-21 11:03:10,049 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 11:03:10,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 11:03:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-09-21 11:03:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 11:03:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-09-21 11:03:10,081 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-09-21 11:03:10,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:10,082 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-09-21 11:03:10,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-09-21 11:03:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:03:10,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:10,084 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 11:03:10,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:10,085 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:10,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:10,085 INFO L82 PathProgramCache]: Analyzing trace with hash 870802390, now seen corresponding path program 1 times [2020-09-21 11:03:10,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:10,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451907800] [2020-09-21 11:03:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:10,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:03:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-09-21 11:03:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:03:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,893 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 11:03:10,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:10,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:03:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:11,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:11,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:11,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:11,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:11,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:11,081 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 11:03:11,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451907800] [2020-09-21 11:03:11,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:11,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:11,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918608046] [2020-09-21 11:03:11,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:11,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:11,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:11,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:11,083 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 4 states. [2020-09-21 11:03:11,410 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:12,459 INFO L93 Difference]: Finished difference Result 239 states and 292 transitions. [2020-09-21 11:03:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:12,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:03:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:12,464 INFO L225 Difference]: With dead ends: 239 [2020-09-21 11:03:12,464 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 11:03:12,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 11:03:12,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2020-09-21 11:03:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 11:03:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-09-21 11:03:12,509 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 52 [2020-09-21 11:03:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:12,510 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-09-21 11:03:12,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-09-21 11:03:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:03:12,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:12,512 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] [2020-09-21 11:03:12,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:12,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:12,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:12,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1258139816, now seen corresponding path program 1 times [2020-09-21 11:03:12,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:12,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633805247] [2020-09-21 11:03:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:03:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,203 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:13,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:03:13,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:13,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:03:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:13,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:13,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:03:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:13,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:13,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:13,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:13,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:13,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:13,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:13,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:13,399 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 11:03:13,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633805247] [2020-09-21 11:03:13,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:13,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:03:13,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102794307] [2020-09-21 11:03:13,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:03:13,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:13,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:03:13,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:03:13,401 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 7 states. [2020-09-21 11:03:13,859 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:14,985 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:15,339 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:15,638 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:15,927 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:16,261 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:16,635 INFO L93 Difference]: Finished difference Result 383 states and 480 transitions. [2020-09-21 11:03:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:03:16,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 11:03:16,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:16,640 INFO L225 Difference]: With dead ends: 383 [2020-09-21 11:03:16,640 INFO L226 Difference]: Without dead ends: 277 [2020-09-21 11:03:16,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-21 11:03:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 221. [2020-09-21 11:03:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-09-21 11:03:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 260 transitions. [2020-09-21 11:03:16,706 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 260 transitions. Word has length 55 [2020-09-21 11:03:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:16,706 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 260 transitions. [2020-09-21 11:03:16,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:03:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 260 transitions. [2020-09-21 11:03:16,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:03:16,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:16,710 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] [2020-09-21 11:03:16,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:16,710 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:16,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1200680476, now seen corresponding path program 1 times [2020-09-21 11:03:16,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:16,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601446329] [2020-09-21 11:03:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:03:17,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-21 11:03:17,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:17,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:17,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:03:17,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,336 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:03:17,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:03:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:03:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:17,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:03:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:17,517 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 11:03:17,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601446329] [2020-09-21 11:03:17,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:17,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:17,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958756503] [2020-09-21 11:03:17,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:17,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:17,520 INFO L87 Difference]: Start difference. First operand 221 states and 260 transitions. Second operand 8 states. [2020-09-21 11:03:17,987 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:18,968 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:19,302 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:19,601 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:19,788 INFO L93 Difference]: Finished difference Result 443 states and 557 transitions. [2020-09-21 11:03:19,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:03:19,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-09-21 11:03:19,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:19,790 INFO L225 Difference]: With dead ends: 443 [2020-09-21 11:03:19,790 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:19,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:19,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 11:03:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:19,795 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:19,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:19,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:19,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:19,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:19,986 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,191 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:20,397 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:20,588 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:20,754 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:21,131 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,492 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,845 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,993 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:22,236 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:22,487 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:22,725 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:22,880 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,031 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:23,180 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:23,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,501 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,834 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:24,171 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:24,503 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:24,651 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:24,886 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:25,134 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:25,372 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:25,489 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:03:25,640 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:25,788 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:25,941 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,090 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:26,244 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,397 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:26,718 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:27,037 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:27,352 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:27,662 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:03:27,802 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:27,955 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,099 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:28,247 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:28,401 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,569 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,722 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,875 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,020 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:29,169 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,332 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,484 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,636 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,784 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,927 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:30,078 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:30,226 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:30,369 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:30,521 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,674 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,827 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,974 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:31,123 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:31,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,427 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:31,574 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:31,731 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:31,883 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,036 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,149 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:03:32,301 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:32,456 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:32,609 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,753 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:32,902 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:33,045 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:33,197 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:33,351 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:33,503 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:33,656 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:33,808 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:34,123 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:34,438 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:34,754 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:35,063 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:03:35,210 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:35,363 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:35,607 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:35,852 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:36,261 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:36,494 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:36,731 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:03:36,924 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:37,134 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:37,510 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:37,723 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:37,977 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:38,379 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-09-21 11:03:38,638 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:38,859 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:39,259 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:39,473 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:03:39,896 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:40,103 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:40,320 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:40,514 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:40,881 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:41,278 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:03:41,520 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:41,525 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-09-21 11:03:41,525 INFO L268 CegarLoopResult]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2020-09-21 11:03:41,525 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 477 532) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point L524(lines 501 525) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-09-21 11:03:41,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2020-09-21 11:03:41,527 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-09-21 11:03:41,527 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-09-21 11:03:41,527 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:03:41,527 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2020-09-21 11:03:41,528 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2020-09-21 11:03:41,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2020-09-21 11:03:41,528 INFO L268 CegarLoopResult]: For program point L585(lines 558 586) no Hoare annotation was computed. [2020-09-21 11:03:41,528 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-21 11:03:41,528 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2020-09-21 11:03:41,528 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2020-09-21 11:03:41,529 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2020-09-21 11:03:41,529 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2020-09-21 11:03:41,529 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 389 397) no Hoare annotation was computed. [2020-09-21 11:03:41,529 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,529 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2020-09-21 11:03:41,529 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 863 885) no Hoare annotation was computed. [2020-09-21 11:03:41,530 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,530 INFO L264 CegarLoopResult]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,530 INFO L268 CegarLoopResult]: For program point L873(lines 873 880) no Hoare annotation was computed. [2020-09-21 11:03:41,530 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2020-09-21 11:03:41,530 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-21 11:03:41,531 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,531 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,531 INFO L264 CegarLoopResult]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,531 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 11:03:41,531 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 822 845) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 822 845) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 822 845) no Hoare annotation was computed. [2020-09-21 11:03:41,532 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 11:03:41,533 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 11:03:41,534 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 11:03:41,534 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2020-09-21 11:03:41,534 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:41,534 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-09-21 11:03:41,534 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:03:41,534 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 247 261) no Hoare annotation was computed. [2020-09-21 11:03:41,535 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 157 164) no Hoare annotation was computed. [2020-09-21 11:03:41,535 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 157 164) no Hoare annotation was computed. [2020-09-21 11:03:41,535 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 157 164) no Hoare annotation was computed. [2020-09-21 11:03:41,535 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2020-09-21 11:03:41,535 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2020-09-21 11:03:41,535 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 202 210) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point L241-1(line 241) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 211 246) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 211 246) no Hoare annotation was computed. [2020-09-21 11:03:41,536 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 211 246) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2020-09-21 11:03:41,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 431 476) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 744 789) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point L758(lines 758 778) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point L758-1(lines 758 778) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2020-09-21 11:03:41,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 191 201) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 191 201) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 191 201) no Hoare annotation was computed. [2020-09-21 11:03:41,539 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:03:41,540 INFO L268 CegarLoopResult]: For program point L196-1(line 196) no Hoare annotation was computed. [2020-09-21 11:03:41,540 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2020-09-21 11:03:41,540 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-09-21 11:03:41,540 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-09-21 11:03:41,540 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2020-09-21 11:03:41,540 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2020-09-21 11:03:41,540 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-09-21 11:03:41,541 INFO L264 CegarLoopResult]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,541 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-09-21 11:03:41,541 INFO L268 CegarLoopResult]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2020-09-21 11:03:41,541 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:41,541 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,542 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-09-21 11:03:41,542 INFO L264 CegarLoopResult]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,542 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-09-21 11:03:41,542 INFO L264 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,542 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-09-21 11:03:41,542 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,543 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-09-21 11:03:41,543 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-09-21 11:03:41,543 INFO L264 CegarLoopResult]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,543 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,543 INFO L268 CegarLoopResult]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2020-09-21 11:03:41,543 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-09-21 11:03:41,543 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 698 743) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point L712(lines 712 732) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 732) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-09-21 11:03:41,544 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 328 350) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 365 374) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 365 374) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 365 374) no Hoare annotation was computed. [2020-09-21 11:03:41,545 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L665(lines 643 666) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L624(lines 624 640) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L684(lines 684 691) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L645(lines 644 664) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-09-21 11:03:41,546 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L641(lines 641 682) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L683(lines 683 694) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L646(lines 646 650) no Hoare annotation was computed. [2020-09-21 11:03:41,547 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2020-09-21 11:03:41,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,548 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#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)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.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~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:03:41,548 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,548 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point L177-1(lines 166 182) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 166 182) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 166 182) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 351 359) no Hoare annotation was computed. [2020-09-21 11:03:41,549 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,550 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,550 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,550 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-09-21 11:03:41,551 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,551 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-09-21 11:03:41,551 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:41,551 INFO L268 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-09-21 11:03:41,551 INFO L271 CegarLoopResult]: At program point L802-2(lines 802 816) the Hoare annotation is: true [2020-09-21 11:03:41,551 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2020-09-21 11:03:41,551 INFO L271 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: true [2020-09-21 11:03:41,551 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 11:03:41,551 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2020-09-21 11:03:41,551 INFO L271 CegarLoopResult]: At program point L817(lines 792 821) the Hoare annotation is: true [2020-09-21 11:03:41,552 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 11:03:41,552 INFO L268 CegarLoopResult]: For program point L806(lines 806 810) no Hoare annotation was computed. [2020-09-21 11:03:41,552 INFO L271 CegarLoopResult]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2020-09-21 11:03:41,552 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-09-21 11:03:41,552 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2020-09-21 11:03:41,552 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2020-09-21 11:03:41,552 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2020-09-21 11:03:41,552 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2020-09-21 11:03:41,553 INFO L268 CegarLoopResult]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2020-09-21 11:03:41,553 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2020-09-21 11:03:41,553 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2020-09-21 11:03:41,553 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2020-09-21 11:03:41,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,553 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 11:03:41,553 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:03:41,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:41,554 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2020-09-21 11:03:41,554 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,554 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 262 269) no Hoare annotation was computed. [2020-09-21 11:03:41,554 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2020-09-21 11:03:41,554 INFO L268 CegarLoopResult]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2020-09-21 11:03:41,554 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:41,554 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 271 278) no Hoare annotation was computed. [2020-09-21 11:03:41,555 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2020-09-21 11:03:41,555 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2020-09-21 11:03:41,555 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2020-09-21 11:03:41,555 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:41,555 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2020-09-21 11:03:41,555 INFO L268 CegarLoopResult]: For program point L411(lines 411 417) no Hoare annotation was computed. [2020-09-21 11:03:41,556 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:03:41,556 INFO L268 CegarLoopResult]: For program point L409-1(line 409) no Hoare annotation was computed. [2020-09-21 11:03:41,556 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2020-09-21 11:03:41,556 INFO L268 CegarLoopResult]: For program point L407(lines 407 420) no Hoare annotation was computed. [2020-09-21 11:03:41,556 INFO L268 CegarLoopResult]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2020-09-21 11:03:41,557 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-09-21 11:03:41,558 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-09-21 11:03:41,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:03:41 BoogieIcfgContainer [2020-09-21 11:03:41,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:03:41,587 INFO L168 Benchmark]: Toolchain (without parser) took 37646.48 ms. Allocated memory was 145.8 MB in the beginning and 597.7 MB in the end (delta: 451.9 MB). Free memory was 103.0 MB in the beginning and 90.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 468.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,588 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.14 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 174.6 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,591 INFO L168 Benchmark]: Boogie Preprocessor took 104.71 ms. Allocated memory is still 203.9 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,593 INFO L168 Benchmark]: RCFGBuilder took 1283.02 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 170.5 MB in the beginning and 204.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,594 INFO L168 Benchmark]: TraceAbstraction took 35525.80 ms. Allocated memory was 238.0 MB in the beginning and 597.7 MB in the end (delta: 359.7 MB). Free memory was 204.5 MB in the beginning and 90.8 MB in the end (delta: 113.7 MB). Peak memory consumption was 477.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:41,597 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.14 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 174.6 MB in the end (delta: -72.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.71 ms. Allocated memory is still 203.9 MB. Free memory was 174.6 MB in the beginning and 170.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1283.02 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 170.5 MB in the beginning and 204.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35525.80 ms. Allocated memory was 238.0 MB in the beginning and 597.7 MB in the end (delta: 359.7 MB). Free memory was 204.5 MB in the beginning and 90.8 MB in the end (delta: 113.7 MB). Peak memory consumption was 477.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 396 SDtfs, 485 SDslu, 269 SDs, 0 SdLazy, 1064 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred 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, 159 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 271 PreInvPairs, 323 NumberOfFragments, 634 HoareAnnotationTreeSize, 271 FomulaSimplifications, 42038 FormulaSimplificationTreeSizeReduction, 15.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11023 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 70642 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...