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_spec5_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:35,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:35,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:35,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:35,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:35,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:35,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:35,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:35,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:35,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:35,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:35,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:35,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:35,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:35,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:35,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:35,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:35,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:35,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:35,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:35,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:35,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:35,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:35,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:35,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:35,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:35,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:35,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:35,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:35,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:35,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:35,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:35,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:35,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:35,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:35,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:35,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:35,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:35,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:35,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:35,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:35,975 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 [2019-10-07 15:20:36,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:36,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:36,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:36,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:36,012 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:36,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:36,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:36,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:36,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:36,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:36,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:36,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:36,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:36,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:36,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:36,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:36,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:36,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:36,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:36,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:36,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:36,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:36,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:36,020 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 [2019-10-07 15:20:36,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:36,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:36,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:36,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:36,312 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:36,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-10-07 15:20:36,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3c4aafa/e89526a2411a498ab1ae71ba57eff176/FLAGc5bd52373 [2019-10-07 15:20:36,935 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:36,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2019-10-07 15:20:36,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3c4aafa/e89526a2411a498ab1ae71ba57eff176/FLAGc5bd52373 [2019-10-07 15:20:37,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3c4aafa/e89526a2411a498ab1ae71ba57eff176 [2019-10-07 15:20:37,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:37,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:37,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:37,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:37,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:37,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37, skipping insertion in model container [2019-10-07 15:20:37,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:37,305 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:37,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:37,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:37,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:37,861 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:37,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37 WrapperNode [2019-10-07 15:20:37,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:37,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:37,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:37,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:37,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:37,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:37,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:37,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:37,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (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 [2019-10-07 15:20:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:20:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:20:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:39,579 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:39,579 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:39,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:39 BoogieIcfgContainer [2019-10-07 15:20:39,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:39,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:39,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:39,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:39,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:37" (1/3) ... [2019-10-07 15:20:39,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2762d1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:39, skipping insertion in model container [2019-10-07 15:20:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (2/3) ... [2019-10-07 15:20:39,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2762d1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:39, skipping insertion in model container [2019-10-07 15:20:39,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:39" (3/3) ... [2019-10-07 15:20:39,590 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2019-10-07 15:20:39,600 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:39,609 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:39,620 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:39,657 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:39,657 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:39,657 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:39,657 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:39,658 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:39,658 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:39,658 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:39,658 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2019-10-07 15:20:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:39,702 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:39,703 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:39,706 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:39,713 INFO L82 PathProgramCache]: Analyzing trace with hash 951338405, now seen corresponding path program 1 times [2019-10-07 15:20:39,724 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:39,725 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,726 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:40,123 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,124 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,125 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:40,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:40,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:40,149 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2019-10-07 15:20:40,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,188 INFO L93 Difference]: Finished difference Result 202 states and 249 transitions. [2019-10-07 15:20:40,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:40,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,202 INFO L225 Difference]: With dead ends: 202 [2019-10-07 15:20:40,202 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:20:40,207 INFO L606 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 [2019-10-07 15:20:40,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:20:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:20:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:20:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2019-10-07 15:20:40,269 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 52 [2019-10-07 15:20:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,270 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2019-10-07 15:20:40,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2019-10-07 15:20:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:40,276 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,277 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,277 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,278 INFO L82 PathProgramCache]: Analyzing trace with hash 302956079, now seen corresponding path program 1 times [2019-10-07 15:20:40,279 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,279 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,279 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,279 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:40,451 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,451 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,451 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:40,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:40,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:40,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:40,454 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2019-10-07 15:20:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,474 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-10-07 15:20:40,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:40,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,477 INFO L225 Difference]: With dead ends: 153 [2019-10-07 15:20:40,477 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:20:40,479 INFO L606 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 [2019-10-07 15:20:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:20:40,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:20:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:20:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-07 15:20:40,499 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 53 [2019-10-07 15:20:40,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,499 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-07 15:20:40,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-07 15:20:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:40,502 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,502 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,502 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,503 INFO L82 PathProgramCache]: Analyzing trace with hash -704333437, now seen corresponding path program 1 times [2019-10-07 15:20:40,503 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,503 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,504 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,504 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:40,755 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,755 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,755 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:40,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:40,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:40,758 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2019-10-07 15:20:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,182 INFO L93 Difference]: Finished difference Result 284 states and 341 transitions. [2019-10-07 15:20:41,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:41,182 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,187 INFO L225 Difference]: With dead ends: 284 [2019-10-07 15:20:41,187 INFO L226 Difference]: Without dead ends: 214 [2019-10-07 15:20:41,189 INFO L606 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 [2019-10-07 15:20:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-07 15:20:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 206. [2019-10-07 15:20:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-10-07 15:20:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 247 transitions. [2019-10-07 15:20:41,227 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 247 transitions. Word has length 56 [2019-10-07 15:20:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,228 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 247 transitions. [2019-10-07 15:20:41,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 247 transitions. [2019-10-07 15:20:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:41,236 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,236 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:41,237 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash -29954615, now seen corresponding path program 1 times [2019-10-07 15:20:41,240 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,240 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,240 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,241 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:41,401 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,402 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,402 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:41,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:41,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:41,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:41,404 INFO L87 Difference]: Start difference. First operand 206 states and 247 transitions. Second operand 7 states. [2019-10-07 15:20:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,752 INFO L93 Difference]: Finished difference Result 347 states and 433 transitions. [2019-10-07 15:20:41,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:41,754 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:20:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,755 INFO L225 Difference]: With dead ends: 347 [2019-10-07 15:20:41,757 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:41,762 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:41,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:41,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:20:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,765 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:41,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:41,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:41,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:42,496 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2019-10-07 15:20:42,496 INFO L443 ceAbstractionStarter]: For program point L245(lines 222 246) no Hoare annotation was computed. [2019-10-07 15:20:42,496 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point L306(lines 279 307) no Hoare annotation was computed. [2019-10-07 15:20:42,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,498 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-10-07 15:20:42,498 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-07 15:20:42,498 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,506 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2019-10-07 15:20:42,507 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2019-10-07 15:20:42,507 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2019-10-07 15:20:42,507 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2019-10-07 15:20:42,507 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: true [2019-10-07 15:20:42,507 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2019-10-07 15:20:42,507 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: true [2019-10-07 15:20:42,507 INFO L443 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2019-10-07 15:20:42,508 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2019-10-07 15:20:42,508 INFO L439 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:42,508 INFO L443 ceAbstractionStarter]: For program point L913(lines 913 919) no Hoare annotation was computed. [2019-10-07 15:20:42,508 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2019-10-07 15:20:42,508 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 922) no Hoare annotation was computed. [2019-10-07 15:20:42,508 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-10-07 15:20:42,509 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-07 15:20:42,509 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 925) no Hoare annotation was computed. [2019-10-07 15:20:42,509 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2019-10-07 15:20:42,509 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2019-10-07 15:20:42,509 INFO L446 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2019-10-07 15:20:42,509 INFO L443 ceAbstractionStarter]: For program point L906-1(line 906) no Hoare annotation was computed. [2019-10-07 15:20:42,509 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,510 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,510 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,510 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,510 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-07 15:20:42,510 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:42,510 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,511 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:20:42,512 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,512 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:20:42,512 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:20:42,512 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:20:42,515 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:20:42,515 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:20:42,515 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:20:42,516 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2019-10-07 15:20:42,517 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2019-10-07 15:20:42,517 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2019-10-07 15:20:42,517 INFO L439 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:42,519 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:20:42,519 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-10-07 15:20:42,519 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 584 591) no Hoare annotation was computed. [2019-10-07 15:20:42,519 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 584 591) no Hoare annotation was computed. [2019-10-07 15:20:42,519 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2019-10-07 15:20:42,519 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2019-10-07 15:20:42,519 INFO L443 ceAbstractionStarter]: For program point L667(line 667) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point L667-1(line 667) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 637 672) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 637 672) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2019-10-07 15:20:42,520 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2019-10-07 15:20:42,521 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2019-10-07 15:20:42,521 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,521 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,521 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:20:42,521 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:20:42,521 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2019-10-07 15:20:42,521 INFO L446 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: true [2019-10-07 15:20:42,522 INFO L443 ceAbstractionStarter]: For program point L622-1(line 622) no Hoare annotation was computed. [2019-10-07 15:20:42,522 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2019-10-07 15:20:42,522 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2019-10-07 15:20:42,522 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2019-10-07 15:20:42,523 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2019-10-07 15:20:42,524 INFO L439 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:42,524 INFO L439 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:42,524 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 575) no Hoare annotation was computed. [2019-10-07 15:20:42,524 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2019-10-07 15:20:42,524 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:42,524 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-07 15:20:42,524 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,525 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 580) no Hoare annotation was computed. [2019-10-07 15:20:42,525 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,525 INFO L439 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,525 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,525 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-10-07 15:20:42,525 INFO L439 ceAbstractionStarter]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,525 INFO L443 ceAbstractionStarter]: For program point L700(lines 699 746) no Hoare annotation was computed. [2019-10-07 15:20:42,526 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 742) no Hoare annotation was computed. [2019-10-07 15:20:42,526 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2019-10-07 15:20:42,526 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,526 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-10-07 15:20:42,526 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2019-10-07 15:20:42,526 INFO L439 ceAbstractionStarter]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,526 INFO L439 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 715) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L439 ceAbstractionStarter]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 839 861) no Hoare annotation was computed. [2019-10-07 15:20:42,527 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 839 861) no Hoare annotation was computed. [2019-10-07 15:20:42,528 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,528 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 361) no Hoare annotation was computed. [2019-10-07 15:20:42,528 INFO L443 ceAbstractionStarter]: For program point L366(lines 365 385) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 403) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-10-07 15:20:42,529 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 344) no Hoare annotation was computed. [2019-10-07 15:20:42,530 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,530 INFO L443 ceAbstractionStarter]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2019-10-07 15:20:42,531 INFO L443 ceAbstractionStarter]: For program point L386(lines 364 387) no Hoare annotation was computed. [2019-10-07 15:20:42,533 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 757 766) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 757 766) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 592 608) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 592 608) no Hoare annotation was computed. [2019-10-07 15:20:42,534 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 592 608) no Hoare annotation was computed. [2019-10-07 15:20:42,535 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 605) no Hoare annotation was computed. [2019-10-07 15:20:42,535 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-07 15:20:42,535 INFO L443 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed. [2019-10-07 15:20:42,535 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2019-10-07 15:20:42,535 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: true [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:20:42,536 INFO L439 ceAbstractionStarter]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,536 INFO L439 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point L531(lines 527 549) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point L529(lines 527 549) no Hoare annotation was computed. [2019-10-07 15:20:42,536 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:20:42,537 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:20:42,537 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:20:42,538 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,538 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: true [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2019-10-07 15:20:42,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:42 BoogieIcfgContainer [2019-10-07 15:20:42,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:42,556 INFO L168 Benchmark]: Toolchain (without parser) took 5309.79 ms. Allocated memory was 146.8 MB in the beginning and 245.4 MB in the end (delta: 98.6 MB). Free memory was 103.5 MB in the beginning and 107.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 111.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,557 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.40 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 172.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,559 INFO L168 Benchmark]: Boogie Preprocessor took 129.35 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,560 INFO L168 Benchmark]: RCFGBuilder took 1588.72 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 148.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,561 INFO L168 Benchmark]: TraceAbstraction took 2970.61 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 147.5 MB in the beginning and 107.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,565 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 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.40 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 172.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.35 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1588.72 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 148.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2970.61 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 147.5 MB in the beginning and 107.7 MB in the end (delta: 39.7 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 182 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 450 SDtfs, 246 SDslu, 679 SDs, 0 SdLazy, 349 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=3, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...