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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:17,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:17,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:17,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:17,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:17,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:17,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:17,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:17,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:17,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:17,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:17,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:17,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:17,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:17,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:17,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:17,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:17,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:17,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:17,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:17,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:17,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:17,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:17,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:18,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:18,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:18,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:18,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:18,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:18,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:18,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:18,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:18,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:18,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:18,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:18,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:18,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:18,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:18,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:18,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:18,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:18,011 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 23:14:18,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:18,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:18,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:18,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:18,027 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:18,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:18,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:18,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:18,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:18,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:18,029 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:18,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:18,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:18,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:18,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:18,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:18,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:18,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:18,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:18,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:18,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:18,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:18,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:18,032 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 23:14:18,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:18,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:18,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:18,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:18,322 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:18,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-10-13 23:14:18,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5fc366d/16bdfce021b145249f4b0efc6ef1ce79/FLAGaf51a8304 [2019-10-13 23:14:18,913 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:18,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-10-13 23:14:18,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5fc366d/16bdfce021b145249f4b0efc6ef1ce79/FLAGaf51a8304 [2019-10-13 23:14:19,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5fc366d/16bdfce021b145249f4b0efc6ef1ce79 [2019-10-13 23:14:19,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:19,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:19,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:19,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:19,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:19,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74754d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19, skipping insertion in model container [2019-10-13 23:14:19,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:19,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:19,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:19,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:19,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:19,923 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:19,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19 WrapperNode [2019-10-13 23:14:19,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:19,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:19,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:19,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:19,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:19,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:20,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:20,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:20,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (1/1) ... [2019-10-13 23:14:20,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:20,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:20,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:20,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:20,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (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 23:14:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:14:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:21,651 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:21,651 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:21,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:21 BoogieIcfgContainer [2019-10-13 23:14:21,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:21,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:21,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:21,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:21,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:19" (1/3) ... [2019-10-13 23:14:21,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605661e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:21, skipping insertion in model container [2019-10-13 23:14:21,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:19" (2/3) ... [2019-10-13 23:14:21,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605661e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:21, skipping insertion in model container [2019-10-13 23:14:21,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:21" (3/3) ... [2019-10-13 23:14:21,663 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2019-10-13 23:14:21,673 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:21,682 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:21,695 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:21,723 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:21,723 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:21,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:21,724 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:21,724 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:21,724 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:21,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:21,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-13 23:14:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:21,755 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:21,756 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 23:14:21,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:21,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:21,764 INFO L82 PathProgramCache]: Analyzing trace with hash -635291148, now seen corresponding path program 1 times [2019-10-13 23:14:21,774 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:21,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071893942] [2019-10-13 23:14:21,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:21,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:22,115 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 23:14:22,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071893942] [2019-10-13 23:14:22,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:22,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:22,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322145663] [2019-10-13 23:14:22,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:22,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:22,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:22,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:22,142 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-13 23:14:22,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,179 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-10-13 23:14:22,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:22,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:22,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,193 INFO L225 Difference]: With dead ends: 157 [2019-10-13 23:14:22,194 INFO L226 Difference]: Without dead ends: 79 [2019-10-13 23:14:22,201 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 23:14:22,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-13 23:14:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-13 23:14:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-13 23:14:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-10-13 23:14:22,260 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-10-13 23:14:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,261 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-10-13 23:14:22,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-10-13 23:14:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:22,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:22,265 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 23:14:22,265 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash 180217656, now seen corresponding path program 1 times [2019-10-13 23:14:22,266 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:22,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380178048] [2019-10-13 23:14:22,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:22,380 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 23:14:22,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380178048] [2019-10-13 23:14:22,382 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:22,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:22,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826338563] [2019-10-13 23:14:22,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:22,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:22,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:22,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:22,387 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-10-13 23:14:22,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:22,423 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-13 23:14:22,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:22,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:22,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:22,429 INFO L225 Difference]: With dead ends: 106 [2019-10-13 23:14:22,429 INFO L226 Difference]: Without dead ends: 71 [2019-10-13 23:14:22,431 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 23:14:22,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-13 23:14:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-13 23:14:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-13 23:14:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-10-13 23:14:22,453 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-10-13 23:14:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:22,454 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-10-13 23:14:22,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-10-13 23:14:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:22,459 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:22,460 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] [2019-10-13 23:14:22,460 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:22,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1528152827, now seen corresponding path program 1 times [2019-10-13 23:14:22,461 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:22,461 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843666642] [2019-10-13 23:14:22,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:22,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:22,615 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 23:14:22,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843666642] [2019-10-13 23:14:22,617 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:22,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:22,617 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378635096] [2019-10-13 23:14:22,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:22,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:22,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:22,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:22,619 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-10-13 23:14:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:23,021 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-10-13 23:14:23,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:23,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:14:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:23,032 INFO L225 Difference]: With dead ends: 213 [2019-10-13 23:14:23,032 INFO L226 Difference]: Without dead ends: 164 [2019-10-13 23:14:23,035 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 23:14:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-13 23:14:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-10-13 23:14:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 23:14:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-10-13 23:14:23,093 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-10-13 23:14:23,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:23,094 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-10-13 23:14:23,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-10-13 23:14:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:14:23,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:23,097 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] [2019-10-13 23:14:23,097 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:23,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:23,100 INFO L82 PathProgramCache]: Analyzing trace with hash -594070249, now seen corresponding path program 1 times [2019-10-13 23:14:23,100 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:23,101 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277698968] [2019-10-13 23:14:23,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:23,283 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 23:14:23,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277698968] [2019-10-13 23:14:23,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:23,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:23,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641333675] [2019-10-13 23:14:23,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:23,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:23,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:23,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:23,286 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 6 states. [2019-10-13 23:14:23,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:23,469 INFO L93 Difference]: Finished difference Result 379 states and 456 transitions. [2019-10-13 23:14:23,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:23,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-13 23:14:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:23,474 INFO L225 Difference]: With dead ends: 379 [2019-10-13 23:14:23,474 INFO L226 Difference]: Without dead ends: 255 [2019-10-13 23:14:23,476 INFO L600 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 [2019-10-13 23:14:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-13 23:14:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2019-10-13 23:14:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-10-13 23:14:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2019-10-13 23:14:23,521 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 49 [2019-10-13 23:14:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:23,521 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2019-10-13 23:14:23,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2019-10-13 23:14:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:14:23,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:23,524 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] [2019-10-13 23:14:23,524 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:23,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1349167195, now seen corresponding path program 1 times [2019-10-13 23:14:23,525 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:23,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9488867] [2019-10-13 23:14:23,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:23,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:23,607 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 23:14:23,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9488867] [2019-10-13 23:14:23,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:23,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:23,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761435936] [2019-10-13 23:14:23,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:23,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:23,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:23,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:23,610 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2019-10-13 23:14:23,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:23,762 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-10-13 23:14:23,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:23,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-13 23:14:23,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:23,764 INFO L225 Difference]: With dead ends: 443 [2019-10-13 23:14:23,764 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:23,767 INFO L600 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 [2019-10-13 23:14:23,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:23,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:23,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-10-13 23:14:23,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:23,768 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:23,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:23,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:23,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:24,409 INFO L443 ceAbstractionStarter]: For program point L609(lines 586 610) no Hoare annotation was computed. [2019-10-13 23:14:24,409 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-13 23:14:24,409 INFO L443 ceAbstractionStarter]: For program point L587-2(lines 587 608) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 562 617) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 562 617) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point L670(lines 643 671) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 618 677) no Hoare annotation was computed. [2019-10-13 23:14:24,410 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 618 677) no Hoare annotation was computed. [2019-10-13 23:14:24,411 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-13 23:14:24,411 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 618 677) no Hoare annotation was computed. [2019-10-13 23:14:24,411 INFO L443 ceAbstractionStarter]: For program point L644-2(lines 644 669) no Hoare annotation was computed. [2019-10-13 23:14:24,411 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-13 23:14:24,411 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-13 23:14:24,411 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 23:14:24,412 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 23:14:24,412 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:24,412 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 23:14:24,412 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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))) [2019-10-13 23:14:24,412 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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))) [2019-10-13 23:14:24,413 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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))) [2019-10-13 23:14:24,413 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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))) [2019-10-13 23:14:24,413 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 23:14:24,413 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:24,413 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:14:24,414 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:14:24,415 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 311 325) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L439 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 321) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 311 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 221 228) no Hoare annotation was computed. [2019-10-13 23:14:24,416 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 221 228) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 266 274) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 266 274) the Hoare annotation is: true [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point L305(line 305) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 275 310) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 275 310) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-13 23:14:24,417 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 829 874) no Hoare annotation was computed. [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 829 874) no Hoare annotation was computed. [2019-10-13 23:14:24,418 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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))) [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:24,418 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 255 265) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 255 265) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 247 254) the Hoare annotation is: true [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 214 220) no Hoare annotation was computed. [2019-10-13 23:14:24,419 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 214 220) the Hoare annotation is: true [2019-10-13 23:14:24,420 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 327 392) 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))) [2019-10-13 23:14:24,420 INFO L439 ceAbstractionStarter]: At program point L382(lines 337 384) 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))) [2019-10-13 23:14:24,420 INFO L439 ceAbstractionStarter]: At program point L349(line 349) 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))) [2019-10-13 23:14:24,420 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-13 23:14:24,420 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2019-10-13 23:14:24,420 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 327 392) no Hoare annotation was computed. [2019-10-13 23:14:24,421 INFO L439 ceAbstractionStarter]: At program point L385(lines 336 386) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:24,421 INFO L439 ceAbstractionStarter]: At program point L375(line 375) 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))) [2019-10-13 23:14:24,421 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 379) no Hoare annotation was computed. [2019-10-13 23:14:24,421 INFO L439 ceAbstractionStarter]: At program point L373-1(lines 367 380) 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))) [2019-10-13 23:14:24,421 INFO L443 ceAbstractionStarter]: For program point L338(lines 337 384) no Hoare annotation was computed. [2019-10-13 23:14:24,421 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 380) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L439 ceAbstractionStarter]: At program point L359(line 359) 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))) [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 327 392) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 783 828) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 783 828) no Hoare annotation was computed. [2019-10-13 23:14:24,422 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 451 473) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 451 473) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 680 782) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point L729-2(lines 729 749) no Hoare annotation was computed. [2019-10-13 23:14:24,423 INFO L443 ceAbstractionStarter]: For program point L750(lines 728 751) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 680 782) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 725) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point L730(lines 729 749) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point L761(line 761) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 767) no Hoare annotation was computed. [2019-10-13 23:14:24,424 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 680 782) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L745(line 745) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L241-1(lines 230 246) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 230 246) no Hoare annotation was computed. [2019-10-13 23:14:24,425 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 230 246) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 474 482) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 474 482) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 430 441) the Hoare annotation is: true [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 430 441) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:24,426 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:24,427 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: true [2019-10-13 23:14:24,427 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:14:24,427 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2019-10-13 23:14:24,427 INFO L446 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: true [2019-10-13 23:14:24,427 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2019-10-13 23:14:24,427 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:24,427 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2019-10-13 23:14:24,427 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:14:24,428 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:14:24,428 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:24,428 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:14:24,428 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:14:24,428 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:14:24,428 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:14:24,428 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:14:24,429 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:24,429 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 442 450) the Hoare annotation is: true [2019-10-13 23:14:24,429 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 442 450) no Hoare annotation was computed. [2019-10-13 23:14:24,429 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 406 417) the Hoare annotation is: true [2019-10-13 23:14:24,429 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 406 417) no Hoare annotation was computed. [2019-10-13 23:14:24,429 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:14:24,429 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:14:24,429 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:24,430 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:24,430 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:24,430 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:24,430 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 418 429) no Hoare annotation was computed. [2019-10-13 23:14:24,430 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 418 429) the Hoare annotation is: true [2019-10-13 23:14:24,430 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-10-13 23:14:24,431 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 394 401) the Hoare annotation is: true [2019-10-13 23:14:24,431 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 394 401) no Hoare annotation was computed. [2019-10-13 23:14:24,431 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 484 508) the Hoare annotation is: true [2019-10-13 23:14:24,431 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 484 508) no Hoare annotation was computed. [2019-10-13 23:14:24,431 INFO L439 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:24,431 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-13 23:14:24,431 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:24,432 INFO L443 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2019-10-13 23:14:24,432 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 505) no Hoare annotation was computed. [2019-10-13 23:14:24,432 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 484 508) no Hoare annotation was computed. [2019-10-13 23:14:24,432 INFO L446 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2019-10-13 23:14:24,432 INFO L443 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2019-10-13 23:14:24,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:24 BoogieIcfgContainer [2019-10-13 23:14:24,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:24,449 INFO L168 Benchmark]: Toolchain (without parser) took 5197.88 ms. Allocated memory was 145.2 MB in the beginning and 249.0 MB in the end (delta: 103.8 MB). Free memory was 100.8 MB in the beginning and 152.5 MB in the end (delta: -51.8 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,450 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.55 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 172.2 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,452 INFO L168 Benchmark]: Boogie Preprocessor took 118.42 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,453 INFO L168 Benchmark]: RCFGBuilder took 1609.91 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 161.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,454 INFO L168 Benchmark]: TraceAbstraction took 2791.08 ms. Allocated memory was 236.5 MB in the beginning and 249.0 MB in the end (delta: 12.6 MB). Free memory was 159.6 MB in the beginning and 152.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:24,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.55 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 172.2 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.42 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1609.91 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 161.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2791.08 ms. Allocated memory was 236.5 MB in the beginning and 249.0 MB in the end (delta: 12.6 MB). Free memory was 159.6 MB in the beginning and 152.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: 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: 336]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: 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 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, 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, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s 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...