/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:28:24,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:28:24,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:28:24,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:28:24,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:28:24,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:28:24,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:28:24,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:28:24,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:28:24,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:28:24,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:28:24,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:28:24,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:28:24,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:28:24,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:28:24,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:28:24,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:28:24,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:28:24,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:28:24,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:28:24,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:28:24,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:28:24,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:28:24,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:28:24,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:28:24,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:28:24,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:28:24,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:28:24,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:28:24,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:28:24,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:28:24,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:28:24,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:28:24,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:28:24,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:28:24,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:28:24,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:28:24,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:28:24,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:28:25,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:28:25,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:28:25,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:28:25,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:28:25,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:28:25,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:28:25,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:28:25,017 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:28:25,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:28:25,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:28:25,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:28:25,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:28:25,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:28:25,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:28:25,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:28:25,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:28:25,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:28:25,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:28:25,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:28:25,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:28:25,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:28:25,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:28:25,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:28:25,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:28:25,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:25,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:28:25,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:28:25,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:28:25,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:28:25,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:28:25,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:28:25,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:28:25,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:28:25,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:28:25,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:28:25,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:28:25,356 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:28:25,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-11-07 04:28:25,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07133ecfc/fc242e87dcb44adba96cddbd7de466bd/FLAG13ffc29ce [2019-11-07 04:28:25,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:28:25,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-11-07 04:28:25,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07133ecfc/fc242e87dcb44adba96cddbd7de466bd/FLAG13ffc29ce [2019-11-07 04:28:26,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07133ecfc/fc242e87dcb44adba96cddbd7de466bd [2019-11-07 04:28:26,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:28:26,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:28:26,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:26,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:28:26,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:28:26,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:26,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585ecb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26, skipping insertion in model container [2019-11-07 04:28:26,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:26,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:28:26,420 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:28:26,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:26,826 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:28:26,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:26,959 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:28:26,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26 WrapperNode [2019-11-07 04:28:26,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:26,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:28:26,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:28:26,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:28:26,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:26,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:26,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:26,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:27,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:27,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:27,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... [2019-11-07 04:28:27,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:28:27,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:28:27,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:28:27,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:28:27,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:28:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:28:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:28:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:28:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:28:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:28:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:28:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:28:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:28:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:28:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:28:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:28:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:28:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:28:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:28:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:28:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:28:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:28:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:28:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:28:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:28:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:28:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:28:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:28:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:28:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:28:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:28:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:28:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:28:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:28:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:28:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:28:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:28:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:28:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:28:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:28:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:28:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:28:28,764 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:28:28,765 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:28:28,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:28 BoogieIcfgContainer [2019-11-07 04:28:28,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:28:28,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:28:28,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:28:28,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:28:28,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:26" (1/3) ... [2019-11-07 04:28:28,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1c8560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:28, skipping insertion in model container [2019-11-07 04:28:28,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:26" (2/3) ... [2019-11-07 04:28:28,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1c8560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:28, skipping insertion in model container [2019-11-07 04:28:28,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:28" (3/3) ... [2019-11-07 04:28:28,776 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-11-07 04:28:28,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:28:28,796 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:28:28,808 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:28:28,854 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:28:28,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:28:28,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:28:28,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:28:28,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:28:28,856 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:28:28,856 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:28:28,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:28:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2019-11-07 04:28:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:28:28,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:28,897 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:28:28,900 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:28,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:28,907 INFO L82 PathProgramCache]: Analyzing trace with hash -864032553, now seen corresponding path program 1 times [2019-11-07 04:28:28,919 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:28,920 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417566934] [2019-11-07 04:28:28,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:29,262 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417566934] [2019-11-07 04:28:29,263 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:29,263 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:28:29,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207696050] [2019-11-07 04:28:29,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:28:29,272 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:29,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:28:29,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:29,289 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2019-11-07 04:28:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:29,324 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-11-07 04:28:29,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:28:29,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:28:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:29,336 INFO L225 Difference]: With dead ends: 157 [2019-11-07 04:28:29,337 INFO L226 Difference]: Without dead ends: 79 [2019-11-07 04:28:29,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:29,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-07 04:28:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-11-07 04:28:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-07 04:28:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-11-07 04:28:29,393 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-11-07 04:28:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:29,393 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-11-07 04:28:29,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:28:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-11-07 04:28:29,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:28:29,397 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:29,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:28:29,397 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:29,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:29,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1411900384, now seen corresponding path program 1 times [2019-11-07 04:28:29,398 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:29,399 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474066951] [2019-11-07 04:28:29,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:29,536 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474066951] [2019-11-07 04:28:29,537 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:29,537 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:28:29,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352665346] [2019-11-07 04:28:29,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:28:29,539 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:29,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:28:29,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:29,542 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-11-07 04:28:29,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:29,576 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-11-07 04:28:29,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:28:29,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:28:29,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:29,579 INFO L225 Difference]: With dead ends: 106 [2019-11-07 04:28:29,579 INFO L226 Difference]: Without dead ends: 71 [2019-11-07 04:28:29,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:29,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-07 04:28:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-07 04:28:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-07 04:28:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-11-07 04:28:29,592 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-11-07 04:28:29,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:29,592 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-11-07 04:28:29,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:28:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-11-07 04:28:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:28:29,595 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:29,595 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:28:29,596 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:29,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1992754323, now seen corresponding path program 1 times [2019-11-07 04:28:29,596 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:29,597 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419953711] [2019-11-07 04:28:29,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:29,815 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419953711] [2019-11-07 04:28:29,815 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:29,815 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:29,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603548480] [2019-11-07 04:28:29,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:29,816 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:29,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:29,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:29,819 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-11-07 04:28:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:30,220 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-11-07 04:28:30,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:28:30,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-11-07 04:28:30,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:30,232 INFO L225 Difference]: With dead ends: 213 [2019-11-07 04:28:30,232 INFO L226 Difference]: Without dead ends: 164 [2019-11-07 04:28:30,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:28:30,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-07 04:28:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-11-07 04:28:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-07 04:28:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-11-07 04:28:30,278 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-11-07 04:28:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:30,279 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-11-07 04:28:30,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-11-07 04:28:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-07 04:28:30,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:30,283 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:28:30,284 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:30,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:30,284 INFO L82 PathProgramCache]: Analyzing trace with hash 104740103, now seen corresponding path program 1 times [2019-11-07 04:28:30,284 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:30,285 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378439539] [2019-11-07 04:28:30,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:30,409 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378439539] [2019-11-07 04:28:30,409 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:30,410 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:30,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832918433] [2019-11-07 04:28:30,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:30,411 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:30,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:30,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:30,411 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 6 states. [2019-11-07 04:28:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:30,579 INFO L93 Difference]: Finished difference Result 379 states and 456 transitions. [2019-11-07 04:28:30,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:30,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-11-07 04:28:30,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:30,583 INFO L225 Difference]: With dead ends: 379 [2019-11-07 04:28:30,583 INFO L226 Difference]: Without dead ends: 255 [2019-11-07 04:28:30,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:28:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-11-07 04:28:30,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2019-11-07 04:28:30,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-07 04:28:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2019-11-07 04:28:30,629 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 49 [2019-11-07 04:28:30,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:30,629 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2019-11-07 04:28:30,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2019-11-07 04:28:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:28:30,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:30,631 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:28:30,632 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:30,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:30,632 INFO L82 PathProgramCache]: Analyzing trace with hash 932498649, now seen corresponding path program 1 times [2019-11-07 04:28:30,632 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:30,633 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951859125] [2019-11-07 04:28:30,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:30,724 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951859125] [2019-11-07 04:28:30,725 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:30,725 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:30,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5780686] [2019-11-07 04:28:30,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:30,726 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:30,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:30,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:30,733 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2019-11-07 04:28:30,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:30,875 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-11-07 04:28:30,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:30,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-11-07 04:28:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:30,877 INFO L225 Difference]: With dead ends: 443 [2019-11-07 04:28:30,877 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:28:30,880 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:28:30,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:28:30,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:28:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:28:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:28:30,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-11-07 04:28:30,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:30,881 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:28:30,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:28:30,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:28:30,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:28:31,475 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-11-07 04:28:31,475 INFO L443 ceAbstractionStarter]: For program point L569-2(lines 569 590) no Hoare annotation was computed. [2019-11-07 04:28:31,475 INFO L443 ceAbstractionStarter]: For program point L591(lines 568 592) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 544 599) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 544 599) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 636) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 600 659) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point L626-2(lines 626 651) no Hoare annotation was computed. [2019-11-07 04:28:31,476 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 600 659) no Hoare annotation was computed. [2019-11-07 04:28:31,477 INFO L443 ceAbstractionStarter]: For program point L652(lines 625 653) no Hoare annotation was computed. [2019-11-07 04:28:31,477 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 600 659) no Hoare annotation was computed. [2019-11-07 04:28:31,477 INFO L443 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2019-11-07 04:28:31,477 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-11-07 04:28:31,477 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2019-11-07 04:28:31,477 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2019-11-07 04:28:31,478 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2019-11-07 04:28:31,478 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2019-11-07 04:28:31,478 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,478 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,478 INFO L439 ceAbstractionStarter]: At program point L445-1(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,479 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2019-11-07 04:28:31,479 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2019-11-07 04:28:31,479 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-11-07 04:28:31,479 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2019-11-07 04:28:31,479 INFO L439 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,479 INFO L439 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,480 INFO L439 ceAbstractionStarter]: At program point L439-1(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point L409(line 409) no Hoare annotation was computed. [2019-11-07 04:28:31,480 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L405(line 405) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L402(line 402) no Hoare annotation was computed. [2019-11-07 04:28:31,481 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point L400(line 400) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point L399(line 399) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2019-11-07 04:28:31,482 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:28:31,482 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-11-07 04:28:31,483 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2019-11-07 04:28:31,484 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2019-11-07 04:28:31,484 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 498 543) no Hoare annotation was computed. [2019-11-07 04:28:31,484 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 498 543) no Hoare annotation was computed. [2019-11-07 04:28:31,484 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 811 856) no Hoare annotation was computed. [2019-11-07 04:28:31,484 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 811 856) no Hoare annotation was computed. [2019-11-07 04:28:31,484 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,484 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 208 218) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point L213-1(line 213) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2019-11-07 04:28:31,485 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2019-11-07 04:28:31,486 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2019-11-07 04:28:31,486 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,486 INFO L439 ceAbstractionStarter]: At program point L93(line 93) 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(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,486 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-07 04:28:31,486 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) 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(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,486 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-07 04:28:31,486 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-11-07 04:28:31,487 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-07 04:28:31,487 INFO L439 ceAbstractionStarter]: At program point L77(line 77) 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(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,487 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 04:28:31,487 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-11-07 04:28:31,487 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) 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(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,487 INFO L439 ceAbstractionStarter]: At program point L67(line 67) 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(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 765 810) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 765 810) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2019-11-07 04:28:31,488 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 116 125) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 116 125) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 662 764) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 690) no Hoare annotation was computed. [2019-11-07 04:28:31,489 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 662 764) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point L711-2(lines 711 731) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point L732(lines 710 733) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 707) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 662 764) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point L712(lines 711 731) no Hoare annotation was computed. [2019-11-07 04:28:31,490 INFO L443 ceAbstractionStarter]: For program point L743(line 743) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point L743-1(line 743) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 749) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2019-11-07 04:28:31,491 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2019-11-07 04:28:31,492 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: true [2019-11-07 04:28:31,492 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2019-11-07 04:28:31,492 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:31,492 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:28:31,492 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: true [2019-11-07 04:28:31,492 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-11-07 04:28:31,492 INFO L446 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: true [2019-11-07 04:28:31,493 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2019-11-07 04:28:31,493 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:31,493 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2019-11-07 04:28:31,493 INFO L443 ceAbstractionStarter]: For program point L165(lines 164 183) no Hoare annotation was computed. [2019-11-07 04:28:31,493 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2019-11-07 04:28:31,493 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-11-07 04:28:31,493 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2019-11-07 04:28:31,494 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-11-07 04:28:31,494 INFO L446 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2019-11-07 04:28:31,494 INFO L446 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2019-11-07 04:28:31,494 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-11-07 04:28:31,494 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-11-07 04:28:31,494 INFO L446 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2019-11-07 04:28:31,494 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2019-11-07 04:28:31,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2019-11-07 04:28:31,495 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2019-11-07 04:28:31,495 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2019-11-07 04:28:31,495 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2019-11-07 04:28:31,495 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2019-11-07 04:28:31,495 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:31,495 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:28:31,496 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:31,496 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:28:31,496 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2019-11-07 04:28:31,496 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2019-11-07 04:28:31,496 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-11-07 04:28:31,496 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2019-11-07 04:28:31,496 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2019-11-07 04:28:31,497 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:31,497 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-11-07 04:28:31,497 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2019-11-07 04:28:31,497 INFO L439 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:28:31,497 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-11-07 04:28:31,497 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 487) no Hoare annotation was computed. [2019-11-07 04:28:31,497 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2019-11-07 04:28:31,498 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-11-07 04:28:31,498 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2019-11-07 04:28:31,498 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-11-07 04:28:31,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:28:31 BoogieIcfgContainer [2019-11-07 04:28:31,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:28:31,514 INFO L168 Benchmark]: Toolchain (without parser) took 5240.53 ms. Allocated memory was 145.8 MB in the beginning and 248.0 MB in the end (delta: 102.2 MB). Free memory was 102.8 MB in the beginning and 153.0 MB in the end (delta: -50.2 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,515 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.54 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 172.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,517 INFO L168 Benchmark]: Boogie Preprocessor took 89.97 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 168.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,519 INFO L168 Benchmark]: RCFGBuilder took 1716.16 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.0 MB in the beginning and 161.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,520 INFO L168 Benchmark]: TraceAbstraction took 2743.98 ms. Allocated memory was 237.0 MB in the beginning and 248.0 MB in the end (delta: 11.0 MB). Free memory was 161.2 MB in the beginning and 153.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:31,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.54 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 172.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.97 ms. Allocated memory is still 202.9 MB. Free memory was 172.1 MB in the beginning and 168.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1716.16 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.0 MB in the beginning and 161.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2743.98 ms. Allocated memory was 237.0 MB in the beginning and 248.0 MB in the end (delta: 11.0 MB). Free memory was 161.2 MB in the beginning and 153.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 423 SDtfs, 201 SDslu, 834 SDs, 0 SdLazy, 228 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 294 PreInvPairs, 332 NumberOfFragments, 374 HoareAnnotationTreeSize, 294 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1177 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 19393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...