/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:35:46,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:35:46,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:35:46,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:35:46,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:35:46,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:35:46,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:35:46,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:35:46,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:35:46,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:35:46,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:35:46,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:35:46,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:35:46,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:35:46,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:35:46,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:35:46,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:35:46,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:35:46,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:35:46,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:35:46,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:35:46,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:35:46,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:35:46,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:35:46,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:35:46,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:35:46,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:35:46,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:35:46,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:35:46,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:35:46,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:35:46,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:35:46,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:35:46,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:35:46,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:35:46,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:35:46,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:35:46,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:35:46,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:35:46,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:35:46,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:35:46,759 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 [2020-10-13 12:35:46,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:35:46,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:35:46,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:35:46,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:35:46,783 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:35:46,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:35:46,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:35:46,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:35:46,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:35:46,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:35:46,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:35:46,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:35:46,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:35:46,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:35:46,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:35:46,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:35:46,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:35:46,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:35:46,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:35:46,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:35:46,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:35:46,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:35:46,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:35:46,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:35:46,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:35:46,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:35:46,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:35:46,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:35:46,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:35:46,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:35:47,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:35:47,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:35:47,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:35:47,149 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:35:47,151 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:35:47,152 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-10-13 12:35:47,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e77b2fbcd/bc15d9472d964d80b99a69cf76066399/FLAGb93f8c6fe [2020-10-13 12:35:47,751 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:35:47,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-10-13 12:35:47,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e77b2fbcd/bc15d9472d964d80b99a69cf76066399/FLAGb93f8c6fe [2020-10-13 12:35:48,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e77b2fbcd/bc15d9472d964d80b99a69cf76066399 [2020-10-13 12:35:48,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:35:48,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:35:48,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:35:48,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:35:48,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:35:48,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cd08e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48, skipping insertion in model container [2020-10-13 12:35:48,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:35:48,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:35:48,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:35:48,533 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:35:48,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:35:48,640 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:35:48,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48 WrapperNode [2020-10-13 12:35:48,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:35:48,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:35:48,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:35:48,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:35:48,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (1/1) ... [2020-10-13 12:35:48,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:35:48,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:35:48,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:35:48,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:35:48,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (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 [2020-10-13 12:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:35:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:35:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:35:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:35:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:35:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:35:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:35:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:35:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:35:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:35:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:35:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:35:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:35:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:35:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:35:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:35:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:35:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:35:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:35:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:35:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:35:49,905 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:35:49,905 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:35:49,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:49 BoogieIcfgContainer [2020-10-13 12:35:49,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:35:49,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:35:49,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:35:49,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:35:49,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:35:48" (1/3) ... [2020-10-13 12:35:49,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c7c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:35:49, skipping insertion in model container [2020-10-13 12:35:49,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:48" (2/3) ... [2020-10-13 12:35:49,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c7c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:35:49, skipping insertion in model container [2020-10-13 12:35:49,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:49" (3/3) ... [2020-10-13 12:35:49,918 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2020-10-13 12:35:49,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:35:49,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:35:49,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:35:49,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:35:49,976 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:35:49,976 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:35:49,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:35:49,977 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:35:49,977 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:35:49,977 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:35:49,977 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:35:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-10-13 12:35:50,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:35:50,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:50,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:35:50,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:50,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:50,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1168451700, now seen corresponding path program 1 times [2020-10-13 12:35:50,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:50,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418092765] [2020-10-13 12:35:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:50,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:51,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:51,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 12:35:55,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:35:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 12:35:55,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:35:55,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:35:55,759 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:35:55,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:35:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:55,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 12:35:55,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:55,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:35:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:55,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:55,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:35:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:55,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:55,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:55,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:35:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:35:55,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:35:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:35:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:55,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:35:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:55,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:55,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:35:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:35:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:55,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:55,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:35:55,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:35:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:35:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:35:55,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:35:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:35:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:35:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:35:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:35:55,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:35:55,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:35:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:35:55,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418092765] [2020-10-13 12:35:55,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:35:55,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:35:55,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12576083] [2020-10-13 12:35:55,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:35:55,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:35:55,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:35:55,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:35:55,990 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-10-13 12:35:57,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:35:57,028 INFO L93 Difference]: Finished difference Result 246 states and 326 transitions. [2020-10-13 12:35:57,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:35:57,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-13 12:35:57,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:35:57,044 INFO L225 Difference]: With dead ends: 246 [2020-10-13 12:35:57,044 INFO L226 Difference]: Without dead ends: 139 [2020-10-13 12:35:57,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:35:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-13 12:35:57,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-10-13 12:35:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-13 12:35:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-10-13 12:35:57,134 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-10-13 12:35:57,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:35:57,135 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-10-13 12:35:57,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:35:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-10-13 12:35:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:35:57,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:35:57,138 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] [2020-10-13 12:35:57,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:35:57,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:35:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:35:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash 237417072, now seen corresponding path program 1 times [2020-10-13 12:35:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:35:57,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489084095] [2020-10-13 12:35:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:35:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:35:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:57,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:57,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:35:58,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 12:36:02,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:36:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 12:36:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:36:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:36:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:36:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:02,491 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:36:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:36:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:02,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:36:02,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:36:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:02,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:36:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:02,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:36:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:02,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:36:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:02,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:36:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:36:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:02,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:36:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:02,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:36:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:36:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:02,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:02,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:02,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:02,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:02,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:36:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:36:02,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489084095] [2020-10-13 12:36:02,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:36:02,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:36:02,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369699387] [2020-10-13 12:36:02,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:36:02,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:36:02,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:36:02,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:36:02,595 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2020-10-13 12:36:03,091 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:36:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:36:03,831 INFO L93 Difference]: Finished difference Result 187 states and 233 transitions. [2020-10-13 12:36:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:36:03,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-13 12:36:03,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:36:03,835 INFO L225 Difference]: With dead ends: 187 [2020-10-13 12:36:03,835 INFO L226 Difference]: Without dead ends: 129 [2020-10-13 12:36:03,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:36:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-13 12:36:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-10-13 12:36:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-13 12:36:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-10-13 12:36:03,881 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-10-13 12:36:03,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:36:03,882 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-10-13 12:36:03,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:36:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-10-13 12:36:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-13 12:36:03,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:36:03,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:36:03,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:36:03,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:36:03,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:36:03,885 INFO L82 PathProgramCache]: Analyzing trace with hash 680325127, now seen corresponding path program 1 times [2020-10-13 12:36:03,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:36:03,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177252950] [2020-10-13 12:36:03,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:36:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:04,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:04,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:04,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:08,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:08,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 12:36:08,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:36:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 12:36:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 12:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:36:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:09,262 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:36:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:36:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:09,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:36:09,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:36:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:09,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:09,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:36:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:09,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:36:09,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:36:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:09,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:09,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:36:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:36:09,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:36:09,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:36:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:09,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:09,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:36:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:36:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:36:09,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 12:36:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:36:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:36:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:36:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 12:36:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:36:09,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:36:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:36:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:36:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:36:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:36:09,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:36:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:36:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:36:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:36:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:36:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:36:09,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177252950] [2020-10-13 12:36:09,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:36:09,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:36:09,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898458134] [2020-10-13 12:36:09,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:36:09,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:36:09,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:36:09,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:36:09,407 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2020-10-13 12:36:09,837 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:36:10,652 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:36:10,928 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:36:11,193 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:36:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:36:11,382 INFO L93 Difference]: Finished difference Result 174 states and 220 transitions. [2020-10-13 12:36:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:36:11,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-13 12:36:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:36:11,387 INFO L225 Difference]: With dead ends: 174 [2020-10-13 12:36:11,387 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:36:11,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:36:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:36:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:36:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:36:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:36:11,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-10-13 12:36:11,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:36:11,390 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:36:11,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:36:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:36:11,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:36:11,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:36:11,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:36:12,924 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:36:13,084 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:13,246 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-13 12:36:13,376 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-13 12:36:13,509 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:13,668 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:13,805 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:13,998 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:36:14,161 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-13 12:36:14,330 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:14,498 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:14,661 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:14,820 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:14,991 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:15,137 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-13 12:36:15,290 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:15,432 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:15,592 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:15,765 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:15,922 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-13 12:36:16,078 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-13 12:36:16,082 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-10-13 12:36:16,082 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-10-13 12:36:16,082 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-13 12:36:16,083 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-10-13 12:36:16,084 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-10-13 12:36:16,085 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-10-13 12:36:16,085 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 156 162) the Hoare annotation is: true [2020-10-13 12:36:16,085 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 156 162) no Hoare annotation was computed. [2020-10-13 12:36:16,085 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 163 171) no Hoare annotation was computed. [2020-10-13 12:36:16,085 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 163 171) the Hoare annotation is: true [2020-10-13 12:36:16,086 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 163 171) no Hoare annotation was computed. [2020-10-13 12:36:16,086 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,086 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,086 INFO L264 CegarLoopResult]: At program point L256-1(line 256) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,086 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 250 272) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,087 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 250 272) no Hoare annotation was computed. [2020-10-13 12:36:16,087 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 250 272) no Hoare annotation was computed. [2020-10-13 12:36:16,087 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,087 INFO L264 CegarLoopResult]: At program point L262-1(line 262) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,087 INFO L268 CegarLoopResult]: For program point L260(lines 260 267) no Hoare annotation was computed. [2020-10-13 12:36:16,087 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 267) no Hoare annotation was computed. [2020-10-13 12:36:16,087 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 206 229) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 206 229) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-10-13 12:36:16,088 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 206 229) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-10-13 12:36:16,089 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 777 783) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 777 783) the Hoare annotation is: true [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 810 817) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 810 817) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 810 817) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 854 862) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 854 862) the Hoare annotation is: true [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 854 862) no Hoare annotation was computed. [2020-10-13 12:36:16,090 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point L882(lines 882 890) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point L882-2(lines 882 890) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 863 898) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 863 898) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 863 898) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 149 155) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 149 155) the Hoare annotation is: true [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-10-13 12:36:16,091 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 239 249) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 239 249) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 239 249) no Hoare annotation was computed. [2020-10-13 12:36:16,092 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-13 12:36:16,093 INFO L271 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: true [2020-10-13 12:36:16,093 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 843 853) the Hoare annotation is: true [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point L848-1(line 848) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 843 853) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 843 853) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 835 842) the Hoare annotation is: true [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 835 842) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 835 842) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:36:16,093 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:36:16,093 INFO L268 CegarLoopResult]: For program point L793(lines 793 801) no Hoare annotation was computed. [2020-10-13 12:36:16,093 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:36:16,094 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 785 809) no Hoare annotation was computed. [2020-10-13 12:36:16,094 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-10-13 12:36:16,094 INFO L268 CegarLoopResult]: For program point L789(lines 789 806) no Hoare annotation was computed. [2020-10-13 12:36:16,094 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 785 809) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,094 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,094 INFO L268 CegarLoopResult]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2020-10-13 12:36:16,094 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,094 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-10-13 12:36:16,095 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,095 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-10-13 12:36:16,095 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-10-13 12:36:16,095 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,095 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-10-13 12:36:16,095 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,096 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-10-13 12:36:16,096 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-10-13 12:36:16,096 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,096 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,096 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-10-13 12:36:16,096 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-10-13 12:36:16,096 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-10-13 12:36:16,097 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-10-13 12:36:16,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-10-13 12:36:16,098 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-10-13 12:36:16,098 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 284 312) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-13 12:36:16,098 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:36:16,098 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-10-13 12:36:16,098 INFO L268 CegarLoopResult]: For program point L296(lines 296 306) no Hoare annotation was computed. [2020-10-13 12:36:16,098 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point L292(lines 292 309) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 284 312) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point L292-1(lines 284 312) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L264 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-10-13 12:36:16,099 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 276 283) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 276 283) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 276 283) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 139 148) no Hoare annotation was computed. [2020-10-13 12:36:16,100 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 139 148) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 139 148) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-10-13 12:36:16,101 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-10-13 12:36:16,102 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-10-13 12:36:16,103 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-13 12:36:16,103 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-13 12:36:16,103 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,103 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:36:16,103 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point L829-1(lines 818 834) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 818 834) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 818 834) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-10-13 12:36:16,104 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,105 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,106 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,106 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-10-13 12:36:16,106 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-10-13 12:36:16,106 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-10-13 12:36:16,106 INFO L264 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,106 INFO L264 CegarLoopResult]: At program point L764(lines 764 770) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,106 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:36:16,107 INFO L268 CegarLoopResult]: For program point L757(lines 756 775) no Hoare annotation was computed. [2020-10-13 12:36:16,107 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:36:16,107 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2020-10-13 12:36:16,107 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2020-10-13 12:36:16,107 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 175 204) no Hoare annotation was computed. [2020-10-13 12:36:16,107 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-13 12:36:16,107 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 175 204) the Hoare annotation is: true [2020-10-13 12:36:16,107 INFO L271 CegarLoopResult]: At program point L189-1(lines 189 193) the Hoare annotation is: true [2020-10-13 12:36:16,108 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 12:36:16,108 INFO L271 CegarLoopResult]: At program point L185-2(lines 185 199) the Hoare annotation is: true [2020-10-13 12:36:16,108 INFO L271 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: true [2020-10-13 12:36:16,108 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-10-13 12:36:16,108 INFO L271 CegarLoopResult]: At program point L200(lines 175 204) the Hoare annotation is: true [2020-10-13 12:36:16,108 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 12:36:16,108 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-10-13 12:36:16,108 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-10-13 12:36:16,109 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-10-13 12:36:16,109 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 230 236) no Hoare annotation was computed. [2020-10-13 12:36:16,109 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 230 236) the Hoare annotation is: true [2020-10-13 12:36:16,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,109 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:36:16,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:36:16,109 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:36:16,110 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 899 906) no Hoare annotation was computed. [2020-10-13 12:36:16,110 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 899 906) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,110 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 899 906) no Hoare annotation was computed. [2020-10-13 12:36:16,110 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-10-13 12:36:16,110 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-10-13 12:36:16,110 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:36:16,111 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 126 133) no Hoare annotation was computed. [2020-10-13 12:36:16,111 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-10-13 12:36:16,111 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2020-10-13 12:36:16,111 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2020-10-13 12:36:16,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:36:16 BoogieIcfgContainer [2020-10-13 12:36:16,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:36:16,130 INFO L168 Benchmark]: Toolchain (without parser) took 28073.18 ms. Allocated memory was 147.8 MB in the beginning and 663.7 MB in the end (delta: 515.9 MB). Free memory was 102.8 MB in the beginning and 147.0 MB in the end (delta: -44.2 MB). Peak memory consumption was 487.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,131 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.60 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.4 MB in the beginning and 171.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,132 INFO L168 Benchmark]: Boogie Preprocessor took 90.36 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 166.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,133 INFO L168 Benchmark]: RCFGBuilder took 1178.13 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.7 MB in the beginning and 193.0 MB in the end (delta: -26.3 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,135 INFO L168 Benchmark]: TraceAbstraction took 26216.22 ms. Allocated memory was 233.8 MB in the beginning and 663.7 MB in the end (delta: 429.9 MB). Free memory was 191.4 MB in the beginning and 147.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:36:16,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 121.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 583.60 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.4 MB in the beginning and 171.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.36 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 166.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.13 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.7 MB in the beginning and 193.0 MB in the end (delta: -26.3 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26216.22 ms. Allocated memory was 233.8 MB in the beginning and 663.7 MB in the end (delta: 429.9 MB). Free memory was 191.4 MB in the beginning and 147.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 489.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 690]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 271 SDtfs, 303 SDslu, 182 SDs, 0 SdLazy, 617 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 61 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 152 PreInvPairs, 172 NumberOfFragments, 585 HoareAnnotationTreeSize, 152 FomulaSimplifications, 6990 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4973 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 39637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...