/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:52:36,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:52:36,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:52:36,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:52:36,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:52:36,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:52:36,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:52:36,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:52:36,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:52:36,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:52:36,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:52:36,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:52:36,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:52:36,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:52:36,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:52:36,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:52:36,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:52:36,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:52:36,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:52:36,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:52:36,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:52:36,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:52:36,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:52:36,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:52:36,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:52:36,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:52:36,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:52:36,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:52:36,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:52:36,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:52:36,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:52:36,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:52:36,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:52:36,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:52:36,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:52:36,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:52:36,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:52:36,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:52:36,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:52:36,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:52:36,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:52:36,754 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 [2020-08-21 13:52:36,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:52:36,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:52:36,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:52:36,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:52:36,802 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:52:36,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:52:36,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:52:36,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:52:36,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:52:36,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:52:36,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:52:36,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:52:36,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:52:36,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:52:36,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:52:36,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:52:36,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:52:36,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:52:36,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:52:36,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:52:36,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:52:36,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:52:36,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:52:36,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:52:36,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true; [2020-08-21 13:52:37,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:52:37,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:52:37,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:52:37,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:52:37,140 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:52:37,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-08-21 13:52:37,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f3343b6/00b52cbbb0204c89a5f6340a81517553/FLAG5830b028d [2020-08-21 13:52:37,785 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:52:37,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-08-21 13:52:37,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f3343b6/00b52cbbb0204c89a5f6340a81517553/FLAG5830b028d [2020-08-21 13:52:38,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4f3343b6/00b52cbbb0204c89a5f6340a81517553 [2020-08-21 13:52:38,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:52:38,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:52:38,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:52:38,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:52:38,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:52:38,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea4523a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38, skipping insertion in model container [2020-08-21 13:52:38,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:52:38,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:52:38,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:52:38,598 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:52:38,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:52:38,718 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:52:38,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38 WrapperNode [2020-08-21 13:52:38,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:52:38,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:52:38,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:52:38,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:52:38,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (1/1) ... [2020-08-21 13:52:38,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:52:38,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:52:38,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:52:38,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:52:38,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (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 [2020-08-21 13:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:52:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:52:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:52:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:52:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:52:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:52:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:52:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:52:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:52:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:52:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 13:52:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 13:52:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:52:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:52:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:52:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:52:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:52:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:52:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:52:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:52:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:52:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:52:38,922 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:52:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:52:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:52:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:52:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 13:52:38,923 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:52:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:52:38,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:52:38,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:52:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:52:38,927 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:52:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 13:52:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:52:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:52:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:52:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:52:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:52:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:52:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 13:52:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:52:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:52:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:52:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:52:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:52:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:52:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:52:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:52:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:52:42,082 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:52:42,082 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:52:42,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:42 BoogieIcfgContainer [2020-08-21 13:52:42,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:52:42,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:52:42,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:52:42,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:52:42,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:52:38" (1/3) ... [2020-08-21 13:52:42,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:42, skipping insertion in model container [2020-08-21 13:52:42,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:38" (2/3) ... [2020-08-21 13:52:42,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:42, skipping insertion in model container [2020-08-21 13:52:42,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:42" (3/3) ... [2020-08-21 13:52:42,096 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-08-21 13:52:42,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:52:42,115 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:52:42,128 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:52:42,149 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:52:42,149 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:52:42,149 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:52:42,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:52:42,150 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:52:42,150 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:52:42,150 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:52:42,150 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:52:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-08-21 13:52:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 13:52:42,181 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:42,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:42,182 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:42,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:42,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1366605273, now seen corresponding path program 1 times [2020-08-21 13:52:42,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:42,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389001926] [2020-08-21 13:52:42,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,904 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:52:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:42,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:52:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:43,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389001926] [2020-08-21 13:52:43,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:43,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:52:43,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652856961] [2020-08-21 13:52:43,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:52:43,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:43,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:52:43,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:52:43,040 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-08-21 13:52:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:44,155 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-08-21 13:52:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:52:44,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 13:52:44,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:44,172 INFO L225 Difference]: With dead ends: 256 [2020-08-21 13:52:44,172 INFO L226 Difference]: Without dead ends: 139 [2020-08-21 13:52:44,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:52:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-21 13:52:44,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-08-21 13:52:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-21 13:52:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-08-21 13:52:44,263 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-08-21 13:52:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:44,263 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-08-21 13:52:44,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:52:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-08-21 13:52:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:52:44,267 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:44,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:44,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:52:44,267 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1231838071, now seen corresponding path program 1 times [2020-08-21 13:52:44,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:44,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984092233] [2020-08-21 13:52:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,660 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:52:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:52:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:44,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984092233] [2020-08-21 13:52:44,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:44,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:52:44,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145184118] [2020-08-21 13:52:44,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:52:44,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:44,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:52:44,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:52:44,709 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-08-21 13:52:45,198 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:52:45,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:45,842 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-08-21 13:52:45,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:52:45,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 13:52:45,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:45,846 INFO L225 Difference]: With dead ends: 185 [2020-08-21 13:52:45,847 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 13:52:45,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:52:45,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 13:52:45,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-21 13:52:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 13:52:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-08-21 13:52:45,880 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-08-21 13:52:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:45,881 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-08-21 13:52:45,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:52:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-08-21 13:52:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:52:45,883 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:45,883 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] [2020-08-21 13:52:45,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:52:45,883 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:45,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1636281737, now seen corresponding path program 1 times [2020-08-21 13:52:45,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:45,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906295743] [2020-08-21 13:52:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,277 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:52:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:52:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:46,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906295743] [2020-08-21 13:52:46,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:46,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:52:46,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527436183] [2020-08-21 13:52:46,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:52:46,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:46,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:52:46,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:52:46,409 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2020-08-21 13:52:46,778 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:47,078 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:47,322 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:47,557 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:48,470 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-08-21 13:52:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 13:52:48,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 13:52:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:48,475 INFO L225 Difference]: With dead ends: 198 [2020-08-21 13:52:48,475 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 13:52:48,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:52:48,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 13:52:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-21 13:52:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 13:52:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-08-21 13:52:48,504 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-08-21 13:52:48,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:48,504 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-08-21 13:52:48,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:52:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-08-21 13:52:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 13:52:48,507 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:48,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:48,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:52:48,507 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:48,508 INFO L82 PathProgramCache]: Analyzing trace with hash -792459520, now seen corresponding path program 1 times [2020-08-21 13:52:48,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:48,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648118316] [2020-08-21 13:52:48,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,825 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:48,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:52:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:52:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 13:52:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 13:52:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:48,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648118316] [2020-08-21 13:52:48,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:48,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:52:48,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138309617] [2020-08-21 13:52:48,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:52:48,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:48,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:52:48,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:52:48,921 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-08-21 13:52:49,334 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:50,304 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:50,591 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:50,848 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:51,105 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:51,496 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:52:52,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:52,158 INFO L93 Difference]: Finished difference Result 309 states and 402 transitions. [2020-08-21 13:52:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:52:52,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-21 13:52:52,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:52,163 INFO L225 Difference]: With dead ends: 309 [2020-08-21 13:52:52,163 INFO L226 Difference]: Without dead ends: 234 [2020-08-21 13:52:52,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:52:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-08-21 13:52:52,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 165. [2020-08-21 13:52:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-21 13:52:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2020-08-21 13:52:52,211 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2020-08-21 13:52:52,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:52,212 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2020-08-21 13:52:52,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:52:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2020-08-21 13:52:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 13:52:52,214 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:52,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:52,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:52:52,214 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:52,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1274091964, now seen corresponding path program 1 times [2020-08-21 13:52:52,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:52,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184911726] [2020-08-21 13:52:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,514 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 13:52:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 13:52:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:52:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 13:52:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 13:52:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:52,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184911726] [2020-08-21 13:52:52,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:52,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:52:52,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241103339] [2020-08-21 13:52:52,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:52:52,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:52,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:52:52,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:52:52,632 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 9 states. [2020-08-21 13:52:53,357 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:54,151 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:54,409 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:54,659 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:54,826 INFO L93 Difference]: Finished difference Result 291 states and 358 transitions. [2020-08-21 13:52:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 13:52:54,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 13:52:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:54,828 INFO L225 Difference]: With dead ends: 291 [2020-08-21 13:52:54,828 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:52:54,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:52:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:52:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:52:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:52:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:52:54,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-21 13:52:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:54,832 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:52:54,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:52:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:52:54,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:52:54,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:52:54,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:52:56,656 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 13:52:56,834 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:52:57,154 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 13:52:57,316 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 13:52:57,501 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 13:52:57,830 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 13:52:58,003 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 13:52:58,322 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-21 13:52:58,497 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 13:52:58,705 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:59,061 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 13:52:59,396 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 13:52:59,738 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 13:52:59,951 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:00,136 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:00,296 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:00,587 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 13:53:00,771 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:00,926 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 13:53:01,084 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:01,239 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 13:53:01,267 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-08-21 13:53:01,267 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-08-21 13:53:01,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 534 589) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point L581(lines 558 582) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2020-08-21 13:53:01,268 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2020-08-21 13:53:01,269 INFO L268 CegarLoopResult]: For program point L642(lines 615 643) no Hoare annotation was computed. [2020-08-21 13:53:01,270 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 13:53:01,270 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 13:53:01,270 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 13:53:01,270 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 13:53:01,270 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 13:53:01,270 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,270 INFO L264 CegarLoopResult]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,271 INFO L268 CegarLoopResult]: For program point L287(lines 287 294) no Hoare annotation was computed. [2020-08-21 13:53:01,271 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2020-08-21 13:53:01,271 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,271 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-08-21 13:53:01,271 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,271 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,272 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,272 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2020-08-21 13:53:01,272 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2020-08-21 13:53:01,272 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2020-08-21 13:53:01,272 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-21 13:53:01,272 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 235 258) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-08-21 13:53:01,273 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-08-21 13:53:01,274 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-08-21 13:53:01,274 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L271 CegarLoopResult]: At program point L461(line 461) the Hoare annotation is: true [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-08-21 13:53:01,275 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 488 533) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 801 846) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-08-21 13:53:01,276 INFO L268 CegarLoopResult]: For program point L815(lines 815 835) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 835) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 398 408) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-21 13:53:01,277 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,278 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-08-21 13:53:01,278 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2020-08-21 13:53:01,279 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,279 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,279 INFO L268 CegarLoopResult]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2020-08-21 13:53:01,279 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2020-08-21 13:53:01,279 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2020-08-21 13:53:01,279 INFO L268 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-08-21 13:53:01,279 INFO L264 CegarLoopResult]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,279 INFO L264 CegarLoopResult]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,279 INFO L268 CegarLoopResult]: For program point L859(lines 858 905) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L264 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point L888(lines 888 901) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L264 CegarLoopResult]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,280 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-08-21 13:53:01,280 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L264 CegarLoopResult]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point L769(lines 769 789) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point L769-1(lines 769 789) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 755 800) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point L775(lines 775 782) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 364 371) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 364 371) no Hoare annotation was computed. [2020-08-21 13:53:01,281 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 364 371) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:53:01,282 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L702(lines 701 721) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L698(lines 698 739) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-08-21 13:53:01,283 INFO L268 CegarLoopResult]: For program point L740(lines 740 751) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point L722(lines 700 723) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point L681(lines 681 697) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-08-21 13:53:01,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-08-21 13:53:01,285 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 155 163) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-08-21 13:53:01,286 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 13:53:01,286 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-08-21 13:53:01,287 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-08-21 13:53:01,288 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,288 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,288 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,288 INFO L268 CegarLoopResult]: For program point L311(lines 310 329) no Hoare annotation was computed. [2020-08-21 13:53:01,288 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:01,288 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2020-08-21 13:53:01,288 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2020-08-21 13:53:01,288 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-08-21 13:53:01,289 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2020-08-21 13:53:01,289 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2020-08-21 13:53:01,289 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-21 13:53:01,289 INFO L271 CegarLoopResult]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2020-08-21 13:53:01,289 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-21 13:53:01,289 INFO L271 CegarLoopResult]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2020-08-21 13:53:01,289 INFO L271 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: true [2020-08-21 13:53:01,289 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-08-21 13:53:01,290 INFO L271 CegarLoopResult]: At program point L229(lines 204 233) the Hoare annotation is: true [2020-08-21 13:53:01,290 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-08-21 13:53:01,290 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-08-21 13:53:01,290 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-08-21 13:53:01,290 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2020-08-21 13:53:01,290 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2020-08-21 13:53:01,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,290 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 13:53:01,291 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:53:01,291 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:01,291 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2020-08-21 13:53:01,291 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-21 13:53:01,291 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2020-08-21 13:53:01,291 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-08-21 13:53:01,291 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-08-21 13:53:01,292 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 13:53:01,292 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2020-08-21 13:53:01,292 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-08-21 13:53:01,292 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2020-08-21 13:53:01,292 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2020-08-21 13:53:01,292 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 13:53:01,293 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-08-21 13:53:01,293 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-08-21 13:53:01,293 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 13:53:01,293 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-08-21 13:53:01,293 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-08-21 13:53:01,293 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-08-21 13:53:01,293 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-08-21 13:53:01,294 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-08-21 13:53:01,294 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-08-21 13:53:01,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:53:01 BoogieIcfgContainer [2020-08-21 13:53:01,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:53:01,313 INFO L168 Benchmark]: Toolchain (without parser) took 23203.47 ms. Allocated memory was 142.1 MB in the beginning and 540.5 MB in the end (delta: 398.5 MB). Free memory was 103.9 MB in the beginning and 140.5 MB in the end (delta: -36.6 MB). Peak memory consumption was 383.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:01,313 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 13:53:01,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.64 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 172.0 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:01,315 INFO L168 Benchmark]: Boogie Preprocessor took 120.07 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:01,316 INFO L168 Benchmark]: RCFGBuilder took 3245.24 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 167.4 MB in the beginning and 191.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:01,317 INFO L168 Benchmark]: TraceAbstraction took 19221.68 ms. Allocated memory was 232.8 MB in the beginning and 540.5 MB in the end (delta: 307.8 MB). Free memory was 190.3 MB in the beginning and 140.5 MB in the end (delta: 49.9 MB). Peak memory consumption was 379.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:01,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.64 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 172.0 MB in the end (delta: -68.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.07 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3245.24 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 167.4 MB in the beginning and 191.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19221.68 ms. Allocated memory was 232.8 MB in the beginning and 540.5 MB in the end (delta: 307.8 MB). Free memory was 190.3 MB in the beginning and 140.5 MB in the end (delta: 49.9 MB). Peak memory consumption was 379.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: 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: 858]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 670 SDslu, 273 SDs, 0 SdLazy, 1572 SolverSat, 450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 723 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...