/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:32:20,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:32:20,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:32:20,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:32:20,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:32:20,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:32:20,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:32:20,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:32:20,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:32:20,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:32:20,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:32:20,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:32:20,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:32:20,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:32:20,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:32:20,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:32:20,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:32:20,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:32:20,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:32:20,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:32:20,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:32:20,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:32:20,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:32:20,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:32:20,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:32:20,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:32:20,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:32:20,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:32:20,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:32:20,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:32:20,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:32:20,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:32:20,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:32:20,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:32:20,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:32:20,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:32:20,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:32:20,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:32:20,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:32:20,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:32:20,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:32:20,792 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 [2019-11-07 04:32:20,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:32:20,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:32:20,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:32:20,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:32:20,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:32:20,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:32:20,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:32:20,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:32:20,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:32:20,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:32:20,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:32:20,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:32:20,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:32:20,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:32:20,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:32:20,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:32:20,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:32:20,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:32:20,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:32:20,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:32:20,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:32:20,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:32:20,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:32:20,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:32:21,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:32:21,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:32:21,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:32:21,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:32:21,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:32:21,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-11-07 04:32:21,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c294fce3/c77eaa77cc9147e98c50b34f7893bd81/FLAGac3180ef2 [2019-11-07 04:32:21,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:32:21,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-11-07 04:32:21,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c294fce3/c77eaa77cc9147e98c50b34f7893bd81/FLAGac3180ef2 [2019-11-07 04:32:22,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c294fce3/c77eaa77cc9147e98c50b34f7893bd81 [2019-11-07 04:32:22,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:32:22,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:32:22,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:22,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:32:22,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:32:22,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:22,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6d8e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22, skipping insertion in model container [2019-11-07 04:32:22,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:22,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:32:22,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:32:22,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:22,827 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:32:22,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:22,996 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:32:22,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22 WrapperNode [2019-11-07 04:32:22,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:22,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:32:22,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:32:22,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:32:23,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (1/1) ... [2019-11-07 04:32:23,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:32:23,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:32:23,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:32:23,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:32:23,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (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 [2019-11-07 04:32:23,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:32:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:32:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:32:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:32:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:32:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:32:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:32:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:32:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:32:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:32:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:32:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:32:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:32:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:32:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:32:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:32:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:32:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:32:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:32:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:32:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:32:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:32:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:32:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:32:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:32:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:32:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:32:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:32:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:32:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:32:24,811 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:32:24,811 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:32:24,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:24 BoogieIcfgContainer [2019-11-07 04:32:24,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:32:24,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:32:24,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:32:24,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:32:24,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:32:22" (1/3) ... [2019-11-07 04:32:24,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741a14ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:24, skipping insertion in model container [2019-11-07 04:32:24,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:22" (2/3) ... [2019-11-07 04:32:24,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741a14ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:24, skipping insertion in model container [2019-11-07 04:32:24,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:24" (3/3) ... [2019-11-07 04:32:24,821 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-11-07 04:32:24,832 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:32:24,840 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:32:24,852 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:32:24,889 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:32:24,890 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:32:24,890 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:32:24,890 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:32:24,890 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:32:24,891 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:32:24,891 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:32:24,891 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:32:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2019-11-07 04:32:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:32:24,934 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:24,935 INFO L410 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] [2019-11-07 04:32:24,939 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:24,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:24,946 INFO L82 PathProgramCache]: Analyzing trace with hash 698374358, now seen corresponding path program 1 times [2019-11-07 04:32:24,956 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:24,957 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172343579] [2019-11-07 04:32:24,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:25,335 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172343579] [2019-11-07 04:32:25,336 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:25,336 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:32:25,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605046080] [2019-11-07 04:32:25,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:32:25,345 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:25,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:32:25,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:32:25,363 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2019-11-07 04:32:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:25,397 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-11-07 04:32:25,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:32:25,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:32:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:25,410 INFO L225 Difference]: With dead ends: 157 [2019-11-07 04:32:25,411 INFO L226 Difference]: Without dead ends: 79 [2019-11-07 04:32:25,415 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:32:25,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-07 04:32:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-11-07 04:32:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-07 04:32:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-11-07 04:32:25,468 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-11-07 04:32:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:25,468 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-11-07 04:32:25,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:32:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-11-07 04:32:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:32:25,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:25,472 INFO L410 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] [2019-11-07 04:32:25,472 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:25,473 INFO L82 PathProgramCache]: Analyzing trace with hash 294115695, now seen corresponding path program 1 times [2019-11-07 04:32:25,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:25,474 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901660849] [2019-11-07 04:32:25,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:25,630 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901660849] [2019-11-07 04:32:25,630 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:25,630 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:25,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960105685] [2019-11-07 04:32:25,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:25,635 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:25,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:25,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:25,636 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-11-07 04:32:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:25,672 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-11-07 04:32:25,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:25,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:32:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:25,678 INFO L225 Difference]: With dead ends: 106 [2019-11-07 04:32:25,678 INFO L226 Difference]: Without dead ends: 71 [2019-11-07 04:32:25,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-07 04:32:25,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-07 04:32:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-07 04:32:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-11-07 04:32:25,703 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-11-07 04:32:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:25,704 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-11-07 04:32:25,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-11-07 04:32:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:32:25,706 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:25,707 INFO L410 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] [2019-11-07 04:32:25,707 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:25,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:25,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1950306087, now seen corresponding path program 1 times [2019-11-07 04:32:25,708 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:25,708 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521290666] [2019-11-07 04:32:25,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:25,844 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521290666] [2019-11-07 04:32:25,845 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:25,845 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:32:25,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723465309] [2019-11-07 04:32:25,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:25,846 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:25,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:25,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:32:25,847 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-11-07 04:32:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:26,189 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-11-07 04:32:26,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:32:26,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-11-07 04:32:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:26,195 INFO L225 Difference]: With dead ends: 213 [2019-11-07 04:32:26,195 INFO L226 Difference]: Without dead ends: 164 [2019-11-07 04:32:26,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-07 04:32:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-11-07 04:32:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-07 04:32:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-11-07 04:32:26,220 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-11-07 04:32:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:26,221 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-11-07 04:32:26,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-11-07 04:32:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-07 04:32:26,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:26,223 INFO L410 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] [2019-11-07 04:32:26,223 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:26,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1683610662, now seen corresponding path program 1 times [2019-11-07 04:32:26,224 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:26,224 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287727154] [2019-11-07 04:32:26,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:26,378 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287727154] [2019-11-07 04:32:26,383 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:26,383 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:32:26,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140115063] [2019-11-07 04:32:26,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:32:26,384 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:26,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:32:26,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:26,385 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 10 states. [2019-11-07 04:32:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:26,886 INFO L93 Difference]: Finished difference Result 479 states and 598 transitions. [2019-11-07 04:32:26,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:32:26,888 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-11-07 04:32:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:26,900 INFO L225 Difference]: With dead ends: 479 [2019-11-07 04:32:26,900 INFO L226 Difference]: Without dead ends: 355 [2019-11-07 04:32:26,906 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 04:32:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-11-07 04:32:26,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 331. [2019-11-07 04:32:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-11-07 04:32:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 398 transitions. [2019-11-07 04:32:26,983 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 398 transitions. Word has length 49 [2019-11-07 04:32:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:26,985 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 398 transitions. [2019-11-07 04:32:26,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:32:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 398 transitions. [2019-11-07 04:32:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:32:26,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:26,991 INFO L410 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] [2019-11-07 04:32:26,992 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:26,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1275615311, now seen corresponding path program 1 times [2019-11-07 04:32:26,992 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:26,993 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839627513] [2019-11-07 04:32:26,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:27,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839627513] [2019-11-07 04:32:27,107 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:27,107 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:27,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766992235] [2019-11-07 04:32:27,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:27,113 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:27,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:27,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:27,114 INFO L87 Difference]: Start difference. First operand 331 states and 398 transitions. Second operand 3 states. [2019-11-07 04:32:27,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:27,150 INFO L93 Difference]: Finished difference Result 563 states and 692 transitions. [2019-11-07 04:32:27,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:27,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 04:32:27,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:27,158 INFO L225 Difference]: With dead ends: 563 [2019-11-07 04:32:27,158 INFO L226 Difference]: Without dead ends: 313 [2019-11-07 04:32:27,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:27,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-11-07 04:32:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-11-07 04:32:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-07 04:32:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 360 transitions. [2019-11-07 04:32:27,190 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 360 transitions. Word has length 52 [2019-11-07 04:32:27,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:27,190 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 360 transitions. [2019-11-07 04:32:27,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 360 transitions. [2019-11-07 04:32:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 04:32:27,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:27,198 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:27,199 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:27,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:27,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1850954013, now seen corresponding path program 1 times [2019-11-07 04:32:27,199 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:27,200 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510850942] [2019-11-07 04:32:27,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:32:27,368 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510850942] [2019-11-07 04:32:27,369 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:27,369 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:32:27,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301511558] [2019-11-07 04:32:27,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:32:27,371 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:27,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:32:27,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:32:27,372 INFO L87 Difference]: Start difference. First operand 313 states and 360 transitions. Second operand 6 states. [2019-11-07 04:32:27,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:27,517 INFO L93 Difference]: Finished difference Result 319 states and 366 transitions. [2019-11-07 04:32:27,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:27,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-11-07 04:32:27,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:27,518 INFO L225 Difference]: With dead ends: 319 [2019-11-07 04:32:27,519 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:32:27,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:32:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:32:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:32:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:32:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:32:27,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-11-07 04:32:27,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:27,521 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:32:27,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:32:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:32:27,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:32:27,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:32:28,391 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2019-11-07 04:32:28,543 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-11-07 04:32:28,543 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-11-07 04:32:28,544 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2019-11-07 04:32:28,545 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2019-11-07 04:32:28,546 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2019-11-07 04:32:28,546 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2019-11-07 04:32:28,546 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2019-11-07 04:32:28,546 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:32:28,546 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-11-07 04:32:28,546 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-11-07 04:32:28,547 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-11-07 04:32:28,547 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-11-07 04:32:28,547 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2019-11-07 04:32:28,547 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-11-07 04:32:28,547 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-11-07 04:32:28,547 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,547 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2019-11-07 04:32:28,548 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:28,548 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:32:28,548 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-11-07 04:32:28,548 INFO L443 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2019-11-07 04:32:28,548 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-11-07 04:32:28,549 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,549 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,549 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,549 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-07 04:32:28,549 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-11-07 04:32:28,549 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2019-11-07 04:32:28,549 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-11-07 04:32:28,550 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2019-11-07 04:32:28,551 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:32:28,552 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:32:28,552 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-07 04:32:28,552 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2019-11-07 04:32:28,552 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2019-11-07 04:32:28,552 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-11-07 04:32:28,552 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-11-07 04:32:28,552 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-11-07 04:32:28,553 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2019-11-07 04:32:28,554 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2019-11-07 04:32:28,555 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2019-11-07 04:32:28,555 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2019-11-07 04:32:28,555 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2019-11-07 04:32:28,555 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,555 INFO L439 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,555 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-11-07 04:32:28,556 INFO L439 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,556 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2019-11-07 04:32:28,556 INFO L443 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-11-07 04:32:28,556 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-07 04:32:28,556 INFO L439 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,556 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-11-07 04:32:28,556 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2019-11-07 04:32:28,557 INFO L439 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,557 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,557 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-11-07 04:32:28,557 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2019-11-07 04:32:28,557 INFO L439 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,557 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2019-11-07 04:32:28,557 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-11-07 04:32:28,558 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-11-07 04:32:28,559 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2019-11-07 04:32:28,560 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:28,561 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:32:28,561 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: true [2019-11-07 04:32:28,561 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2019-11-07 04:32:28,561 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:32:28,561 INFO L443 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2019-11-07 04:32:28,561 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-11-07 04:32:28,561 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2019-11-07 04:32:28,561 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2019-11-07 04:32:28,562 INFO L439 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0))) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-11-07 04:32:28,562 INFO L439 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-11-07 04:32:28,562 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-11-07 04:32:28,562 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-11-07 04:32:28,562 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2019-11-07 04:32:28,562 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2019-11-07 04:32:28,562 INFO L446 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2019-11-07 04:32:28,563 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-11-07 04:32:28,563 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-07 04:32:28,563 INFO L446 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2019-11-07 04:32:28,563 INFO L446 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2019-11-07 04:32:28,563 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2019-11-07 04:32:28,563 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2019-11-07 04:32:28,563 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2019-11-07 04:32:28,563 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2019-11-07 04:32:28,564 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2019-11-07 04:32:28,564 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2019-11-07 04:32:28,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:28,564 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:28,564 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:28,564 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:32:28,564 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2019-11-07 04:32:28,564 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:28,565 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 04:32:28,565 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 04:32:28,565 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 04:32:28,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:32:28 BoogieIcfgContainer [2019-11-07 04:32:28,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:32:28,591 INFO L168 Benchmark]: Toolchain (without parser) took 6502.68 ms. Allocated memory was 145.2 MB in the beginning and 290.5 MB in the end (delta: 145.2 MB). Free memory was 101.5 MB in the beginning and 214.1 MB in the end (delta: -112.6 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,593 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.07 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 169.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,595 INFO L168 Benchmark]: Boogie Preprocessor took 116.13 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,596 INFO L168 Benchmark]: RCFGBuilder took 1699.29 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 156.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,599 INFO L168 Benchmark]: TraceAbstraction took 3775.24 ms. Allocated memory was 234.9 MB in the beginning and 290.5 MB in the end (delta: 55.6 MB). Free memory was 155.2 MB in the beginning and 214.1 MB in the end (delta: -58.9 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:28,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 899.07 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 169.6 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.13 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1699.29 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 156.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3775.24 ms. Allocated memory was 234.9 MB in the beginning and 290.5 MB in the end (delta: 55.6 MB). Free memory was 155.2 MB in the beginning and 214.1 MB in the end (delta: -58.9 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 496 SDtfs, 317 SDslu, 1062 SDs, 0 SdLazy, 370 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred 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, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 344 PreInvPairs, 402 NumberOfFragments, 457 HoareAnnotationTreeSize, 344 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1761 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 31861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 23/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...