/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:37:23,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:23,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:23,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:23,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:23,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:23,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:23,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:23,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:23,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:23,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:23,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:23,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:23,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:23,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:23,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:23,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:23,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:23,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:23,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:23,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:23,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:23,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:23,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:23,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:23,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:23,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:23,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:23,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:23,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:23,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:23,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:23,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:23,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:23,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:23,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:23,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:23,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:23,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:23,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:23,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:23,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:37:23,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:23,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:23,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:23,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:23,860 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:23,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:23,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:23,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:23,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:23,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:23,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:23,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:23,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:23,863 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:23,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:23,863 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:23,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:23,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:23,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:23,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:23,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:23,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:23,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:23,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:23,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:23,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:23,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:23,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:23,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:23,866 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:37:24,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:24,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:24,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:24,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:24,162 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:24,163 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-07-21 10:37:24,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3894fc58f/4b08f83ed64742abada5d4aee1b11b61/FLAG9450b7142 [2020-07-21 10:37:24,787 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:37:24,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-07-21 10:37:24,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3894fc58f/4b08f83ed64742abada5d4aee1b11b61/FLAG9450b7142 [2020-07-21 10:37:25,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3894fc58f/4b08f83ed64742abada5d4aee1b11b61 [2020-07-21 10:37:25,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:37:25,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:37:25,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:25,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:37:25,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:37:25,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c9b653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25, skipping insertion in model container [2020-07-21 10:37:25,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:37:25,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:37:25,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:25,534 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:37:25,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:25,736 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:37:25,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25 WrapperNode [2020-07-21 10:37:25,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:25,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:37:25,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:37:25,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:37:25,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... [2020-07-21 10:37:25,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:37:25,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:37:25,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:37:25,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:37:25,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 10:37:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:37:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:37:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:37:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:37:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:37:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:37:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:37:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:37:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:37:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:37:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:37:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:37:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:37:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:37:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:37:25,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:37:25,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:37:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:37:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:37:27,010 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:37:27,010 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:37:27,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:27 BoogieIcfgContainer [2020-07-21 10:37:27,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:37:27,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:37:27,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:37:27,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:37:27,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:25" (1/3) ... [2020-07-21 10:37:27,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:27, skipping insertion in model container [2020-07-21 10:37:27,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:25" (2/3) ... [2020-07-21 10:37:27,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:27, skipping insertion in model container [2020-07-21 10:37:27,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:27" (3/3) ... [2020-07-21 10:37:27,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-07-21 10:37:27,036 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:37:27,044 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:37:27,060 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:37:27,086 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:37:27,086 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:37:27,086 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:37:27,087 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:37:27,087 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:37:27,087 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:37:27,087 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:37:27,088 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:37:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-21 10:37:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:37:27,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:27,126 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] [2020-07-21 10:37:27,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:27,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2020-07-21 10:37:27,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:27,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437603252] [2020-07-21 10:37:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:27,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:37:27,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:27,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:27,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437603252] [2020-07-21 10:37:27,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:27,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:37:27,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454812664] [2020-07-21 10:37:27,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:37:27,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:27,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:37:27,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:27,452 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2020-07-21 10:37:27,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:27,491 INFO L93 Difference]: Finished difference Result 216 states and 269 transitions. [2020-07-21 10:37:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:37:27,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:37:27,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:27,505 INFO L225 Difference]: With dead ends: 216 [2020-07-21 10:37:27,506 INFO L226 Difference]: Without dead ends: 108 [2020-07-21 10:37:27,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-21 10:37:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-21 10:37:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-21 10:37:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-07-21 10:37:27,559 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-07-21 10:37:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:27,559 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-07-21 10:37:27,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:37:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-07-21 10:37:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:37:27,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:27,564 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] [2020-07-21 10:37:27,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:27,777 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:27,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:27,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1100286526, now seen corresponding path program 1 times [2020-07-21 10:37:27,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:27,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681291712] [2020-07-21 10:37:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:27,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:27,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:28,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:28,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681291712] [2020-07-21 10:37:28,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:28,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:28,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096657272] [2020-07-21 10:37:28,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:28,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:28,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:28,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:28,054 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2020-07-21 10:37:28,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:28,088 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2020-07-21 10:37:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:28,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:37:28,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:28,094 INFO L225 Difference]: With dead ends: 159 [2020-07-21 10:37:28,094 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 10:37:28,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 10:37:28,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-21 10:37:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 10:37:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-07-21 10:37:28,133 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-07-21 10:37:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:28,134 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-07-21 10:37:28,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-07-21 10:37:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:37:28,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:28,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:28,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:28,352 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:28,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:28,353 INFO L82 PathProgramCache]: Analyzing trace with hash 418725032, now seen corresponding path program 1 times [2020-07-21 10:37:28,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:28,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40697969] [2020-07-21 10:37:28,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:28,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:37:28,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:28,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:28,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40697969] [2020-07-21 10:37:28,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:28,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:28,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214854324] [2020-07-21 10:37:28,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:28,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:28,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:28,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:28,612 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2020-07-21 10:37:28,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:28,651 INFO L93 Difference]: Finished difference Result 247 states and 294 transitions. [2020-07-21 10:37:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:28,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 10:37:28,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:28,655 INFO L225 Difference]: With dead ends: 247 [2020-07-21 10:37:28,656 INFO L226 Difference]: Without dead ends: 172 [2020-07-21 10:37:28,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:28,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-21 10:37:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2020-07-21 10:37:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-21 10:37:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-07-21 10:37:28,685 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 51 [2020-07-21 10:37:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:28,685 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-07-21 10:37:28,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-07-21 10:37:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:37:28,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:28,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:28,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:28,903 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:28,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash 2030555279, now seen corresponding path program 1 times [2020-07-21 10:37:28,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:28,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447055753] [2020-07-21 10:37:28,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:29,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:37:29,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:29,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:29,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447055753] [2020-07-21 10:37:29,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:29,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:29,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496325782] [2020-07-21 10:37:29,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:29,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:29,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:29,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:29,131 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 6 states. [2020-07-21 10:37:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:29,369 INFO L93 Difference]: Finished difference Result 437 states and 541 transitions. [2020-07-21 10:37:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:29,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:37:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:29,374 INFO L225 Difference]: With dead ends: 437 [2020-07-21 10:37:29,374 INFO L226 Difference]: Without dead ends: 293 [2020-07-21 10:37:29,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-21 10:37:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2020-07-21 10:37:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-07-21 10:37:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2020-07-21 10:37:29,411 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 57 [2020-07-21 10:37:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:29,411 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2020-07-21 10:37:29,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2020-07-21 10:37:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 10:37:29,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:29,415 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] [2020-07-21 10:37:29,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:29,629 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:29,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1547213643, now seen corresponding path program 1 times [2020-07-21 10:37:29,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:29,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695856918] [2020-07-21 10:37:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:29,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:37:29,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:29,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:29,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695856918] [2020-07-21 10:37:29,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:29,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:29,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762248485] [2020-07-21 10:37:29,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:29,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:29,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:29,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:29,862 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 6 states. [2020-07-21 10:37:30,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:30,023 INFO L93 Difference]: Finished difference Result 380 states and 471 transitions. [2020-07-21 10:37:30,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:30,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 10:37:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:30,025 INFO L225 Difference]: With dead ends: 380 [2020-07-21 10:37:30,025 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:37:30,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:30,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:37:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:37:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:37:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:37:30,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-21 10:37:30,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:30,028 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:37:30,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:37:30,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:37:30,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:30,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:37:31,315 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-21 10:37:31,315 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-21 10:37:31,316 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 10:37:31,317 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-21 10:37:31,318 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:37:31,318 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:37:31,318 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:37:31,319 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:37:31,319 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:37:31,319 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:37:31,320 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2020-07-21 10:37:31,320 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-07-21 10:37:31,320 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:37:31,320 INFO L268 CegarLoopResult]: For program point L283-1(line 283) no Hoare annotation was computed. [2020-07-21 10:37:31,320 INFO L268 CegarLoopResult]: For program point L281(lines 281 294) no Hoare annotation was computed. [2020-07-21 10:37:31,320 INFO L268 CegarLoopResult]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2020-07-21 10:37:31,320 INFO L271 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: true [2020-07-21 10:37:31,320 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-07-21 10:37:31,321 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2020-07-21 10:37:31,322 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,322 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,323 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,323 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2020-07-21 10:37:31,323 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2020-07-21 10:37:31,324 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,324 INFO L264 CegarLoopResult]: At program point L167-1(line 167) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,324 INFO L268 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2020-07-21 10:37:31,324 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2020-07-21 10:37:31,324 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-21 10:37:31,324 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,324 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-21 10:37:31,325 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 10:37:31,325 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:37:31,325 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 10:37:31,325 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-21 10:37:31,325 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-21 10:37:31,326 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:37:31,326 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-21 10:37:31,326 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-21 10:37:31,326 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-21 10:37:31,326 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-21 10:37:31,327 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-21 10:37:31,327 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-21 10:37:31,327 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-21 10:37:31,327 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:37:31,328 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-21 10:37:31,328 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 10:37:31,328 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2020-07-21 10:37:31,329 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:31,329 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-07-21 10:37:31,330 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 867 881) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-21 10:37:31,330 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2020-07-21 10:37:31,330 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2020-07-21 10:37:31,330 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2020-07-21 10:37:31,330 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2020-07-21 10:37:31,330 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 10:37:31,330 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point L850(lines 850 858) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 858) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 831 866) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 831 866) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 831 866) no Hoare annotation was computed. [2020-07-21 10:37:31,331 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:37:31,332 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:37:31,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-21 10:37:31,338 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-21 10:37:31,339 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-21 10:37:31,340 INFO L271 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: true [2020-07-21 10:37:31,340 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2020-07-21 10:37:31,340 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-07-21 10:37:31,340 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2020-07-21 10:37:31,340 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2020-07-21 10:37:31,340 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2020-07-21 10:37:31,340 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2020-07-21 10:37:31,342 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2020-07-21 10:37:31,342 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2020-07-21 10:37:31,342 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:31,342 INFO L268 CegarLoopResult]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2020-07-21 10:37:31,343 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:31,343 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:31,343 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:31,343 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-07-21 10:37:31,344 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:31,344 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-07-21 10:37:31,344 INFO L268 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-07-21 10:37:31,344 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2020-07-21 10:37:31,344 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2020-07-21 10:37:31,347 INFO L264 CegarLoopResult]: At program point testENTRY(lines 666 731) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,348 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,348 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-07-21 10:37:31,348 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-07-21 10:37:31,348 INFO L268 CegarLoopResult]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2020-07-21 10:37:31,348 INFO L264 CegarLoopResult]: At program point L721(lines 676 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,349 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,349 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-07-21 10:37:31,349 INFO L268 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2020-07-21 10:37:31,349 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-21 10:37:31,349 INFO L264 CegarLoopResult]: At program point L724(lines 675 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,349 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,349 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-21 10:37:31,349 INFO L264 CegarLoopResult]: At program point L712-1(lines 706 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point L677(lines 676 723) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point L706(lines 706 719) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-21 10:37:31,350 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 239 261) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 239 261) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 239 261) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:37:31,351 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-21 10:37:31,352 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-21 10:37:31,353 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,354 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:31,354 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,354 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2020-07-21 10:37:31,354 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2020-07-21 10:37:31,354 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 795 802) no Hoare annotation was computed. [2020-07-21 10:37:31,354 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2020-07-21 10:37:31,355 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2020-07-21 10:37:31,355 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2020-07-21 10:37:31,355 INFO L268 CegarLoopResult]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2020-07-21 10:37:31,355 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 218 229) the Hoare annotation is: true [2020-07-21 10:37:31,355 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:31,356 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:31,356 INFO L264 CegarLoopResult]: At program point L749(lines 749 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2020-07-21 10:37:31,356 INFO L268 CegarLoopResult]: For program point L742(lines 741 760) no Hoare annotation was computed. [2020-07-21 10:37:31,357 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-21 10:37:31,357 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-21 10:37:31,357 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-21 10:37:31,357 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-21 10:37:31,357 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:37:31,357 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-21 10:37:31,357 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-21 10:37:31,357 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-21 10:37:31,358 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-21 10:37:31,358 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-21 10:37:31,358 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2020-07-21 10:37:31,358 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2020-07-21 10:37:31,358 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2020-07-21 10:37:31,358 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2020-07-21 10:37:31,358 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2020-07-21 10:37:31,358 INFO L268 CegarLoopResult]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2020-07-21 10:37:31,359 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-21 10:37:31,359 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-21 10:37:31,359 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,359 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:37:31,359 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:31,359 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:31,359 INFO L268 CegarLoopResult]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2020-07-21 10:37:31,360 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2020-07-21 10:37:31,360 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 206 217) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:31,360 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2020-07-21 10:37:31,360 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2020-07-21 10:37:31,360 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2020-07-21 10:37:31,360 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2020-07-21 10:37:31,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:31 BoogieIcfgContainer [2020-07-21 10:37:31,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:37:31,381 INFO L168 Benchmark]: Toolchain (without parser) took 6295.07 ms. Allocated memory was 138.9 MB in the beginning and 286.3 MB in the end (delta: 147.3 MB). Free memory was 103.4 MB in the beginning and 173.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:31,381 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:37:31,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.34 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 175.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:31,383 INFO L168 Benchmark]: Boogie Preprocessor took 87.54 ms. Allocated memory is still 203.9 MB. Free memory was 175.0 MB in the beginning and 170.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:31,385 INFO L168 Benchmark]: RCFGBuilder took 1190.36 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.6 MB in the beginning and 203.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:31,386 INFO L168 Benchmark]: TraceAbstraction took 4361.00 ms. Allocated memory was 237.0 MB in the beginning and 286.3 MB in the end (delta: 49.3 MB). Free memory was 203.6 MB in the beginning and 173.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:31,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.34 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 175.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.54 ms. Allocated memory is still 203.9 MB. Free memory was 175.0 MB in the beginning and 170.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1190.36 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 170.6 MB in the beginning and 203.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4361.00 ms. Allocated memory was 237.0 MB in the beginning and 286.3 MB in the end (delta: 49.3 MB). Free memory was 203.6 MB in the beginning and 173.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 593 SDtfs, 204 SDslu, 759 SDs, 0 SdLazy, 116 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 322 PreInvPairs, 337 NumberOfFragments, 521 HoareAnnotationTreeSize, 322 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25933 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3321 ConjunctsInSsa, 40 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...