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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:27,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:27,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:27,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:27,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:27,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:27,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:27,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:27,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:27,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:27,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:27,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:27,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:27,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:27,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:27,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:27,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:27,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:27,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:27,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:28,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:28,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:28,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:28,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:28,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:28,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:28,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:28,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:28,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:28,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:28,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:28,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:28,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:28,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:28,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:28,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:28,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:28,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:28,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:28,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:28,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:28,026 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 [2019-10-13 23:16:28,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:28,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:28,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:28,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:28,043 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:28,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:28,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:28,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:28,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:28,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:28,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:28,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:28,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:28,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:28,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:28,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:28,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:28,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:28,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:28,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:28,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:28,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:28,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:28,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:28,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:28,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:28,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:28,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:28,048 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 [2019-10-13 23:16:28,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:28,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:28,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:28,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:28,398 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:28,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-10-13 23:16:28,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3acdf6217/ad88ab45328d44b5b0204835e50ec56b/FLAGd8cbfd1c1 [2019-10-13 23:16:28,994 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:28,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-10-13 23:16:29,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3acdf6217/ad88ab45328d44b5b0204835e50ec56b/FLAGd8cbfd1c1 [2019-10-13 23:16:29,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3acdf6217/ad88ab45328d44b5b0204835e50ec56b [2019-10-13 23:16:29,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:29,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:29,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:29,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:29,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:29,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:29,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df3183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29, skipping insertion in model container [2019-10-13 23:16:29,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:29,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:29,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:29,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:29,861 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:29,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:29,996 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:29,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29 WrapperNode [2019-10-13 23:16:29,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:29,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:29,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:29,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:30,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (1/1) ... [2019-10-13 23:16:30,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:30,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:30,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:30,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:30,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (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 [2019-10-13 23:16:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:30,172 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:30,173 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:16:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:31,896 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:31,896 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:31,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:31 BoogieIcfgContainer [2019-10-13 23:16:31,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:31,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:31,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:31,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:31,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:29" (1/3) ... [2019-10-13 23:16:31,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e81481f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:31, skipping insertion in model container [2019-10-13 23:16:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:29" (2/3) ... [2019-10-13 23:16:31,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e81481f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:31, skipping insertion in model container [2019-10-13 23:16:31,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:31" (3/3) ... [2019-10-13 23:16:31,909 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-10-13 23:16:31,919 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:31,929 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:31,941 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:31,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:31,988 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:31,988 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:31,989 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:31,989 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:31,990 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:31,990 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:31,990 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-13 23:16:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:32,040 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:32,041 INFO L380 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] [2019-10-13 23:16:32,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash 644742784, now seen corresponding path program 1 times [2019-10-13 23:16:32,068 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:32,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217218338] [2019-10-13 23:16:32,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:32,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217218338] [2019-10-13 23:16:32,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:32,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:32,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170155826] [2019-10-13 23:16:32,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:32,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:32,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:32,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:32,462 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-13 23:16:32,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:32,499 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2019-10-13 23:16:32,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:32,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:32,515 INFO L225 Difference]: With dead ends: 163 [2019-10-13 23:16:32,516 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:16:32,520 INFO L600 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 [2019-10-13 23:16:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:16:32,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:16:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:16:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-13 23:16:32,574 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2019-10-13 23:16:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:32,575 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-13 23:16:32,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-13 23:16:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:32,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:32,579 INFO L380 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] [2019-10-13 23:16:32,579 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:32,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2085925083, now seen corresponding path program 1 times [2019-10-13 23:16:32,580 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:32,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295021012] [2019-10-13 23:16:32,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:32,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295021012] [2019-10-13 23:16:32,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:32,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:32,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777901607] [2019-10-13 23:16:32,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:32,754 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:32,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:32,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:32,755 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-13 23:16:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:32,791 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-10-13 23:16:32,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:32,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:32,795 INFO L225 Difference]: With dead ends: 109 [2019-10-13 23:16:32,795 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:16:32,797 INFO L600 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 [2019-10-13 23:16:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:16:32,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:16:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:16:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-13 23:16:32,820 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2019-10-13 23:16:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:32,821 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-13 23:16:32,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-13 23:16:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:16:32,826 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:32,827 INFO L380 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] [2019-10-13 23:16:32,828 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:32,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:32,828 INFO L82 PathProgramCache]: Analyzing trace with hash -762661845, now seen corresponding path program 1 times [2019-10-13 23:16:32,829 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:32,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710801761] [2019-10-13 23:16:32,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:32,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:33,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710801761] [2019-10-13 23:16:33,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:33,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:33,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646557130] [2019-10-13 23:16:33,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:33,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:33,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:33,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:33,081 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-13 23:16:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:33,512 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2019-10-13 23:16:33,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:33,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:16:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:33,517 INFO L225 Difference]: With dead ends: 223 [2019-10-13 23:16:33,518 INFO L226 Difference]: Without dead ends: 171 [2019-10-13 23:16:33,520 INFO L600 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 [2019-10-13 23:16:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-13 23:16:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2019-10-13 23:16:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 23:16:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2019-10-13 23:16:33,574 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2019-10-13 23:16:33,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:33,574 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2019-10-13 23:16:33,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2019-10-13 23:16:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:16:33,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:33,580 INFO L380 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] [2019-10-13 23:16:33,580 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:33,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:33,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1778405638, now seen corresponding path program 1 times [2019-10-13 23:16:33,585 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:33,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923197532] [2019-10-13 23:16:33,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:33,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:33,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:33,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923197532] [2019-10-13 23:16:33,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:33,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:33,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329074938] [2019-10-13 23:16:33,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:33,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:33,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:33,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:33,783 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand 10 states. [2019-10-13 23:16:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:34,283 INFO L93 Difference]: Finished difference Result 491 states and 610 transitions. [2019-10-13 23:16:34,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:34,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2019-10-13 23:16:34,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:34,289 INFO L225 Difference]: With dead ends: 491 [2019-10-13 23:16:34,289 INFO L226 Difference]: Without dead ends: 364 [2019-10-13 23:16:34,296 INFO L600 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 [2019-10-13 23:16:34,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-13 23:16:34,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 340. [2019-10-13 23:16:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-13 23:16:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 407 transitions. [2019-10-13 23:16:34,354 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 407 transitions. Word has length 50 [2019-10-13 23:16:34,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:34,356 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 407 transitions. [2019-10-13 23:16:34,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 407 transitions. [2019-10-13 23:16:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:16:34,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:34,359 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:34,359 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:34,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:34,365 INFO L82 PathProgramCache]: Analyzing trace with hash 710331099, now seen corresponding path program 1 times [2019-10-13 23:16:34,365 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:34,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061073968] [2019-10-13 23:16:34,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:34,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:34,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:34,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061073968] [2019-10-13 23:16:34,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:34,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:34,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060166452] [2019-10-13 23:16:34,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:34,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:34,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:34,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:34,441 INFO L87 Difference]: Start difference. First operand 340 states and 407 transitions. Second operand 3 states. [2019-10-13 23:16:34,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:34,494 INFO L93 Difference]: Finished difference Result 640 states and 781 transitions. [2019-10-13 23:16:34,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:34,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-13 23:16:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:34,498 INFO L225 Difference]: With dead ends: 640 [2019-10-13 23:16:34,498 INFO L226 Difference]: Without dead ends: 322 [2019-10-13 23:16:34,499 INFO L600 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 [2019-10-13 23:16:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-10-13 23:16:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2019-10-13 23:16:34,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-13 23:16:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 369 transitions. [2019-10-13 23:16:34,521 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 369 transitions. Word has length 56 [2019-10-13 23:16:34,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:34,521 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 369 transitions. [2019-10-13 23:16:34,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 369 transitions. [2019-10-13 23:16:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 23:16:34,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:34,523 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:34,524 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:34,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:34,524 INFO L82 PathProgramCache]: Analyzing trace with hash 750478952, now seen corresponding path program 1 times [2019-10-13 23:16:34,524 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:34,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172518304] [2019-10-13 23:16:34,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:34,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:34,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:16:34,618 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172518304] [2019-10-13 23:16:34,618 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:34,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:34,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798122891] [2019-10-13 23:16:34,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:34,619 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:34,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:34,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:34,620 INFO L87 Difference]: Start difference. First operand 322 states and 369 transitions. Second operand 7 states. [2019-10-13 23:16:34,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:34,898 INFO L93 Difference]: Finished difference Result 328 states and 375 transitions. [2019-10-13 23:16:34,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:16:34,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-13 23:16:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:34,901 INFO L225 Difference]: With dead ends: 328 [2019-10-13 23:16:34,901 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:34,904 INFO L600 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 [2019-10-13 23:16:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:34,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-13 23:16:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:34,906 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:34,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:34,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:34,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:35,452 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 20 [2019-10-13 23:16:35,979 INFO L443 ceAbstractionStarter]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2019-10-13 23:16:35,979 INFO L443 ceAbstractionStarter]: For program point L567(lines 544 568) no Hoare annotation was computed. [2019-10-13 23:16:35,979 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-10-13 23:16:35,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2019-10-13 23:16:35,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2019-10-13 23:16:35,980 INFO L443 ceAbstractionStarter]: For program point L608(lines 608 612) no Hoare annotation was computed. [2019-10-13 23:16:35,980 INFO L443 ceAbstractionStarter]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2019-10-13 23:16:35,980 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2019-10-13 23:16:35,980 INFO L443 ceAbstractionStarter]: For program point L628(lines 601 629) no Hoare annotation was computed. [2019-10-13 23:16:35,981 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2019-10-13 23:16:35,981 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-13 23:16:35,981 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-13 23:16:35,981 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2019-10-13 23:16:35,981 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-13 23:16:35,982 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-13 23:16:35,982 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 23:16:35,982 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 23:16:35,982 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2019-10-13 23:16:35,982 INFO L439 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:16:35,983 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-10-13 23:16:35,983 INFO L439 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-13 23:16:35,983 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-10-13 23:16:35,983 INFO L443 ceAbstractionStarter]: For program point L851(lines 851 864) no Hoare annotation was computed. [2019-10-13 23:16:35,983 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2019-10-13 23:16:35,983 INFO L443 ceAbstractionStarter]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2019-10-13 23:16:35,984 INFO L446 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2019-10-13 23:16:35,984 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-10-13 23:16:35,984 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:16:35,984 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 23:16:35,984 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,985 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,985 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,985 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,985 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 23:16:35,985 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,986 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,986 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:16:35,986 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:16:35,986 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:16:35,986 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:16:35,986 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:16:35,987 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:16:35,988 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2019-10-13 23:16:35,989 INFO L439 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:35,989 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 385) no Hoare annotation was computed. [2019-10-13 23:16:35,989 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:16:35,989 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2019-10-13 23:16:35,989 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2019-10-13 23:16:35,989 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2019-10-13 23:16:35,990 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2019-10-13 23:16:35,991 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2019-10-13 23:16:35,992 INFO L443 ceAbstractionStarter]: For program point L324(line 324) no Hoare annotation was computed. [2019-10-13 23:16:35,992 INFO L443 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2019-10-13 23:16:35,992 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2019-10-13 23:16:35,992 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2019-10-13 23:16:35,992 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2019-10-13 23:16:35,992 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2019-10-13 23:16:35,993 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,993 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2019-10-13 23:16:35,993 INFO L439 ceAbstractionStarter]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:35,993 INFO L439 ceAbstractionStarter]: At program point L449(line 449) 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))) [2019-10-13 23:16:35,993 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2019-10-13 23:16:35,994 INFO L439 ceAbstractionStarter]: At program point L447-1(lines 439 454) 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))) [2019-10-13 23:16:35,994 INFO L443 ceAbstractionStarter]: For program point L410(lines 409 458) no Hoare annotation was computed. [2019-10-13 23:16:35,994 INFO L439 ceAbstractionStarter]: At program point L441(line 441) 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))) [2019-10-13 23:16:35,994 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 454) no Hoare annotation was computed. [2019-10-13 23:16:35,994 INFO L439 ceAbstractionStarter]: At program point L431(line 431) 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))) [2019-10-13 23:16:35,995 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-13 23:16:35,995 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2019-10-13 23:16:35,995 INFO L439 ceAbstractionStarter]: At program point L456(lines 409 458) 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))) [2019-10-13 23:16:35,995 INFO L439 ceAbstractionStarter]: At program point L421(line 421) 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))) [2019-10-13 23:16:35,995 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-10-13 23:16:35,995 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2019-10-13 23:16:35,996 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 683) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point L688(lines 687 707) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-10-13 23:16:35,997 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 725) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point L703(line 703) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2019-10-13 23:16:35,998 INFO L443 ceAbstractionStarter]: For program point L708(lines 686 709) no Hoare annotation was computed. [2019-10-13 23:16:35,999 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:16:35,999 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:35,999 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2019-10-13 23:16:35,999 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2019-10-13 23:16:35,999 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2019-10-13 23:16:35,999 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2019-10-13 23:16:36,000 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: true [2019-10-13 23:16:36,000 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2019-10-13 23:16:36,000 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:36,000 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:36,000 INFO L439 ceAbstractionStarter]: At program point L285(line 285) 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)))) [2019-10-13 23:16:36,001 INFO L439 ceAbstractionStarter]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 23:16:36,001 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:16:36,001 INFO L443 ceAbstractionStarter]: For program point L276(lines 275 294) no Hoare annotation was computed. [2019-10-13 23:16:36,001 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 23:16:36,001 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2019-10-13 23:16:36,002 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2019-10-13 23:16:36,002 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:16:36,002 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:16:36,002 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:16:36,002 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:16:36,002 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:16:36,002 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:16:36,003 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:16:36,003 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:16:36,003 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:16:36,003 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2019-10-13 23:16:36,003 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2019-10-13 23:16:36,003 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2019-10-13 23:16:36,004 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2019-10-13 23:16:36,004 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:16:36,004 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:16:36,004 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:36,004 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:36,004 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:36,004 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:36,005 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2019-10-13 23:16:36,005 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: true [2019-10-13 23:16:36,005 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2019-10-13 23:16:36,005 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-13 23:16:36,005 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2019-10-13 23:16:36,005 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2019-10-13 23:16:36,006 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2019-10-13 23:16:36,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:36 BoogieIcfgContainer [2019-10-13 23:16:36,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:36,036 INFO L168 Benchmark]: Toolchain (without parser) took 6699.94 ms. Allocated memory was 145.8 MB in the beginning and 286.3 MB in the end (delta: 140.5 MB). Free memory was 102.7 MB in the beginning and 144.1 MB in the end (delta: -41.3 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,038 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.48 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 174.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,042 INFO L168 Benchmark]: Boogie Preprocessor took 99.62 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,044 INFO L168 Benchmark]: RCFGBuilder took 1802.18 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.9 MB in the beginning and 161.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,047 INFO L168 Benchmark]: TraceAbstraction took 4130.61 ms. Allocated memory was 237.0 MB in the beginning and 286.3 MB in the end (delta: 49.3 MB). Free memory was 161.1 MB in the beginning and 144.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:36,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.48 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 174.0 MB in the end (delta: -71.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.62 ms. Allocated memory is still 203.4 MB. Free memory was 174.0 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1802.18 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.9 MB in the beginning and 161.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4130.61 ms. Allocated memory was 237.0 MB in the beginning and 286.3 MB in the end (delta: 49.3 MB). Free memory was 161.1 MB in the beginning and 144.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 160 locations, 1 error locations. Result: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 504 SDtfs, 349 SDslu, 1024 SDs, 0 SdLazy, 489 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred 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, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 377 PreInvPairs, 438 NumberOfFragments, 480 HoareAnnotationTreeSize, 377 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 34066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 21/21 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...