/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_spec5_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:34:34,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:34:34,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:34:34,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:34:34,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:34:34,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:34:34,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:34:34,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:34:34,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:34:34,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:34:34,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:34:34,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:34:34,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:34:34,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:34:34,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:34:34,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:34:34,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:34:34,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:34:34,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:34:34,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:34:34,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:34:34,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:34:34,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:34:34,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:34:34,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:34:34,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:34:34,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:34:34,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:34:34,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:34:34,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:34:34,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:34:34,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:34:34,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:34:34,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:34:34,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:34:34,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:34:34,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:34:34,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:34:34,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:34:34,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:34:34,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:34:34,968 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 04:34:34,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:34:35,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:34:35,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:34:35,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:34:35,004 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:34:35,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:34:35,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:34:35,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:34:35,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:34:35,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:34:35,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:34:35,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:34:35,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:34:35,008 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:34:35,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:34:35,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:34:35,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:34:35,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:34:35,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:34:35,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:34:35,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:34:35,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:34:35,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:34:35,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:34:35,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:34:35,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:34:35,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:34:35,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:34:35,013 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 04:34:35,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:34:35,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:34:35,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:34:35,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:34:35,331 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:34:35,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2019-11-07 04:34:35,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f0a1929/6a9d3521b0dd441391577e319b06c400/FLAGb8b633de4 [2019-11-07 04:34:35,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:34:35,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2019-11-07 04:34:35,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f0a1929/6a9d3521b0dd441391577e319b06c400/FLAGb8b633de4 [2019-11-07 04:34:36,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f0a1929/6a9d3521b0dd441391577e319b06c400 [2019-11-07 04:34:36,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:34:36,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:34:36,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:36,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:34:36,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:34:36,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3f1635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36, skipping insertion in model container [2019-11-07 04:34:36,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:34:36,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:34:36,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:36,751 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:34:36,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:36,884 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:34:36,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36 WrapperNode [2019-11-07 04:34:36,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:36,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:34:36,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:34:36,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:34:36,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (1/1) ... [2019-11-07 04:34:36,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:34:36,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:34:36,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:34:36,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:34:36,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (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 04:34:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:34:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:34:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:34:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:34:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:34:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:34:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:34:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:34:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:34:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:34:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:34:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:34:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:34:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:34:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:34:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:34:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:34:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:34:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:34:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:34:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:34:38,598 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:34:38,599 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:34:38,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:38 BoogieIcfgContainer [2019-11-07 04:34:38,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:34:38,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:34:38,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:34:38,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:34:38,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:34:36" (1/3) ... [2019-11-07 04:34:38,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7045e22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:38, skipping insertion in model container [2019-11-07 04:34:38,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:36" (2/3) ... [2019-11-07 04:34:38,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7045e22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:38, skipping insertion in model container [2019-11-07 04:34:38,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:38" (3/3) ... [2019-11-07 04:34:38,608 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2019-11-07 04:34:38,618 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:34:38,627 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:34:38,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:34:38,667 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:34:38,667 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:34:38,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:34:38,668 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:34:38,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:34:38,668 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:34:38,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:34:38,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:34:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-07 04:34:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:34:38,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:38,697 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:34:38,699 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:38,705 INFO L82 PathProgramCache]: Analyzing trace with hash 445847728, now seen corresponding path program 1 times [2019-11-07 04:34:38,716 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:38,716 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311826000] [2019-11-07 04:34:38,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:34:39,040 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311826000] [2019-11-07 04:34:39,041 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:39,042 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:34:39,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797142527] [2019-11-07 04:34:39,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:34:39,048 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:34:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:34:39,066 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-11-07 04:34:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:39,105 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2019-11-07 04:34:39,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:34:39,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:34:39,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:39,120 INFO L225 Difference]: With dead ends: 196 [2019-11-07 04:34:39,120 INFO L226 Difference]: Without dead ends: 100 [2019-11-07 04:34:39,125 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 04:34:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-07 04:34:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-07 04:34:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-07 04:34:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-11-07 04:34:39,177 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2019-11-07 04:34:39,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:39,178 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-11-07 04:34:39,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:34:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-11-07 04:34:39,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:34:39,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:39,182 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:34:39,183 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:39,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:39,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1988370366, now seen corresponding path program 1 times [2019-11-07 04:34:39,184 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:39,184 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392705247] [2019-11-07 04:34:39,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:34:39,313 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392705247] [2019-11-07 04:34:39,314 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:39,314 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:34:39,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381290704] [2019-11-07 04:34:39,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:34:39,317 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:39,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:34:39,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:34:39,318 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2019-11-07 04:34:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:39,356 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2019-11-07 04:34:39,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:34:39,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:34:39,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:39,362 INFO L225 Difference]: With dead ends: 150 [2019-11-07 04:34:39,363 INFO L226 Difference]: Without dead ends: 92 [2019-11-07 04:34:39,365 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 04:34:39,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-07 04:34:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-07 04:34:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-07 04:34:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2019-11-07 04:34:39,396 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 53 [2019-11-07 04:34:39,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:39,398 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2019-11-07 04:34:39,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:34:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2019-11-07 04:34:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:34:39,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:39,402 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:34:39,403 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:39,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1317382675, now seen corresponding path program 1 times [2019-11-07 04:34:39,405 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:39,405 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20951451] [2019-11-07 04:34:39,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:34:39,625 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20951451] [2019-11-07 04:34:39,625 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:39,625 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:34:39,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798755914] [2019-11-07 04:34:39,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:34:39,627 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:34:39,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:34:39,628 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 7 states. [2019-11-07 04:34:39,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:39,927 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2019-11-07 04:34:39,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:34:39,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:34:39,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:39,930 INFO L225 Difference]: With dead ends: 159 [2019-11-07 04:34:39,930 INFO L226 Difference]: Without dead ends: 92 [2019-11-07 04:34:39,931 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 04:34:39,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-07 04:34:39,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-07 04:34:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-07 04:34:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2019-11-07 04:34:39,942 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 56 [2019-11-07 04:34:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:39,944 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2019-11-07 04:34:39,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:34:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2019-11-07 04:34:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 04:34:39,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:34:39,947 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:34:39,947 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:34:39,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:34:39,948 INFO L82 PathProgramCache]: Analyzing trace with hash -18873190, now seen corresponding path program 1 times [2019-11-07 04:34:39,948 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:34:39,948 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631856048] [2019-11-07 04:34:39,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:34:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:34:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:34:40,100 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631856048] [2019-11-07 04:34:40,100 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:34:40,100 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:34:40,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264088132] [2019-11-07 04:34:40,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:34:40,101 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:34:40,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:34:40,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:34:40,102 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 7 states. [2019-11-07 04:34:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:34:40,430 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2019-11-07 04:34:40,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:34:40,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-11-07 04:34:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:34:40,432 INFO L225 Difference]: With dead ends: 141 [2019-11-07 04:34:40,432 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:34:40,434 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:34:40,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:34:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:34:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:34:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:34:40,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-11-07 04:34:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:34:40,437 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:34:40,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:34:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:34:40,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:34:40,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:34:41,011 INFO L443 ceAbstractionStarter]: For program point L609-2(lines 609 630) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point L631(lines 608 632) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 619) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 584 639) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 584 639) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 691) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 640 699) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point L692(lines 665 693) no Hoare annotation was computed. [2019-11-07 04:34:41,012 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 640 699) no Hoare annotation was computed. [2019-11-07 04:34:41,013 INFO L443 ceAbstractionStarter]: For program point L685(line 685) no Hoare annotation was computed. [2019-11-07 04:34:41,019 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-11-07 04:34:41,019 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 640 699) no Hoare annotation was computed. [2019-11-07 04:34:41,019 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2019-11-07 04:34:41,020 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2019-11-07 04:34:41,020 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2019-11-07 04:34:41,020 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2019-11-07 04:34:41,020 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 484 491) the Hoare annotation is: true [2019-11-07 04:34:41,020 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 484 491) no Hoare annotation was computed. [2019-11-07 04:34:41,020 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-07 04:34:41,020 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 492 501) the Hoare annotation is: true [2019-11-07 04:34:41,020 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 492 501) no Hoare annotation was computed. [2019-11-07 04:34:41,021 INFO L446 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: true [2019-11-07 04:34:41,021 INFO L443 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2019-11-07 04:34:41,021 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 527) no Hoare annotation was computed. [2019-11-07 04:34:41,021 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 502 530) no Hoare annotation was computed. [2019-11-07 04:34:41,021 INFO L446 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2019-11-07 04:34:41,021 INFO L443 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2019-11-07 04:34:41,021 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 502 530) the Hoare annotation is: true [2019-11-07 04:34:41,022 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 502 530) no Hoare annotation was computed. [2019-11-07 04:34:41,022 INFO L439 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,022 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 521) no Hoare annotation was computed. [2019-11-07 04:34:41,022 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 524) no Hoare annotation was computed. [2019-11-07 04:34:41,022 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 458 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,023 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 458 480) no Hoare annotation was computed. [2019-11-07 04:34:41,023 INFO L439 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~2 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:41,023 INFO L439 ceAbstractionStarter]: At program point L470-1(line 470) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~2 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:34:41,023 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 475) no Hoare annotation was computed. [2019-11-07 04:34:41,023 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 468 475) no Hoare annotation was computed. [2019-11-07 04:34:41,023 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-07 04:34:41,024 INFO L439 ceAbstractionStarter]: At program point L465(line 465) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,024 INFO L439 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,024 INFO L439 ceAbstractionStarter]: At program point L464-1(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,024 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 415 438) no Hoare annotation was computed. [2019-11-07 04:34:41,024 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 415 438) no Hoare annotation was computed. [2019-11-07 04:34:41,024 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 415 438) no Hoare annotation was computed. [2019-11-07 04:34:41,024 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-07 04:34:41,025 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point L420(line 420) no Hoare annotation was computed. [2019-11-07 04:34:41,026 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2019-11-07 04:34:41,027 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2019-11-07 04:34:41,027 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 538 583) no Hoare annotation was computed. [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 538 583) no Hoare annotation was computed. [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 851 896) no Hoare annotation was computed. [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 851 896) no Hoare annotation was computed. [2019-11-07 04:34:41,028 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 447 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 447 457) no Hoare annotation was computed. [2019-11-07 04:34:41,028 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 447 457) no Hoare annotation was computed. [2019-11-07 04:34:41,029 INFO L439 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,029 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 319 329) the Hoare annotation is: true [2019-11-07 04:34:41,029 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2019-11-07 04:34:41,029 INFO L446 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2019-11-07 04:34:41,029 INFO L443 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2019-11-07 04:34:41,029 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2019-11-07 04:34:41,029 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2019-11-07 04:34:41,030 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,030 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 294) no Hoare annotation was computed. [2019-11-07 04:34:41,030 INFO L439 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,030 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-11-07 04:34:41,030 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 299) no Hoare annotation was computed. [2019-11-07 04:34:41,030 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 278 302) no Hoare annotation was computed. [2019-11-07 04:34:41,030 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 278 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,031 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,031 INFO L443 ceAbstractionStarter]: For program point L297-1(lines 278 302) no Hoare annotation was computed. [2019-11-07 04:34:41,031 INFO L439 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,031 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 270 276) no Hoare annotation was computed. [2019-11-07 04:34:41,031 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 270 276) the Hoare annotation is: true [2019-11-07 04:34:41,031 INFO L439 ceAbstractionStarter]: At program point L225(lines 176 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,031 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 167 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,032 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 167 232) no Hoare annotation was computed. [2019-11-07 04:34:41,032 INFO L439 ceAbstractionStarter]: At program point L215-2(lines 207 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,032 INFO L443 ceAbstractionStarter]: For program point L178(lines 177 224) no Hoare annotation was computed. [2019-11-07 04:34:41,032 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,032 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2019-11-07 04:34:41,032 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,032 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2019-11-07 04:34:41,033 INFO L443 ceAbstractionStarter]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2019-11-07 04:34:41,033 INFO L439 ceAbstractionStarter]: At program point L222(lines 177 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,033 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,033 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2019-11-07 04:34:41,033 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2019-11-07 04:34:41,033 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 167 232) no Hoare annotation was computed. [2019-11-07 04:34:41,033 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 805 850) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 805 850) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 702 804) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 747) no Hoare annotation was computed. [2019-11-07 04:34:41,034 INFO L443 ceAbstractionStarter]: For program point L752(lines 751 771) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L783-1(line 783) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 789) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 702 804) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L767(line 767) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L767-1(line 767) no Hoare annotation was computed. [2019-11-07 04:34:41,035 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 702 804) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 771) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point L772(lines 750 773) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2019-11-07 04:34:41,036 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2019-11-07 04:34:41,037 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-11-07 04:34:41,037 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-11-07 04:34:41,037 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-11-07 04:34:41,040 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-11-07 04:34:41,040 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:41,040 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:34:41,041 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-11-07 04:34:41,041 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-11-07 04:34:41,041 INFO L439 ceAbstractionStarter]: At program point L257(lines 257 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,041 INFO L439 ceAbstractionStarter]: At program point L252(line 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,041 INFO L443 ceAbstractionStarter]: For program point L250(lines 246 268) no Hoare annotation was computed. [2019-11-07 04:34:41,041 INFO L443 ceAbstractionStarter]: For program point L248(lines 246 268) no Hoare annotation was computed. [2019-11-07 04:34:41,041 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 243 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,042 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 243 269) no Hoare annotation was computed. [2019-11-07 04:34:41,043 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 243 269) no Hoare annotation was computed. [2019-11-07 04:34:41,044 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:34:41,044 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 385 414) no Hoare annotation was computed. [2019-11-07 04:34:41,044 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 385 414) the Hoare annotation is: true [2019-11-07 04:34:41,044 INFO L446 ceAbstractionStarter]: At program point L410(lines 385 414) the Hoare annotation is: true [2019-11-07 04:34:41,044 INFO L443 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2019-11-07 04:34:41,044 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 403) no Hoare annotation was computed. [2019-11-07 04:34:41,044 INFO L446 ceAbstractionStarter]: At program point L399-1(lines 399 403) the Hoare annotation is: true [2019-11-07 04:34:41,045 INFO L446 ceAbstractionStarter]: At program point L395-2(lines 395 409) the Hoare annotation is: true [2019-11-07 04:34:41,045 INFO L446 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2019-11-07 04:34:41,045 INFO L443 ceAbstractionStarter]: For program point L391-1(line 391) no Hoare annotation was computed. [2019-11-07 04:34:41,045 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-11-07 04:34:41,045 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-11-07 04:34:41,045 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 439 445) no Hoare annotation was computed. [2019-11-07 04:34:41,045 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 439 445) the Hoare annotation is: true [2019-11-07 04:34:41,045 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:34:41,046 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-07 04:34:41,046 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:34:41,046 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:34:41,046 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2019-11-07 04:34:41,046 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-11-07 04:34:41,047 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-11-07 04:34:41,047 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-11-07 04:34:41,047 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2019-11-07 04:34:41,047 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2019-11-07 04:34:41,047 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2019-11-07 04:34:41,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:34:41 BoogieIcfgContainer [2019-11-07 04:34:41,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:34:41,085 INFO L168 Benchmark]: Toolchain (without parser) took 4853.82 ms. Allocated memory was 145.2 MB in the beginning and 248.0 MB in the end (delta: 102.8 MB). Free memory was 102.6 MB in the beginning and 171.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,087 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.99 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 173.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,091 INFO L168 Benchmark]: Boogie Preprocessor took 92.98 ms. Allocated memory is still 203.9 MB. Free memory was 173.5 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,094 INFO L168 Benchmark]: RCFGBuilder took 1621.45 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 159.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,095 INFO L168 Benchmark]: TraceAbstraction took 2480.93 ms. Allocated memory was 236.5 MB in the beginning and 248.0 MB in the end (delta: 11.5 MB). Free memory was 157.6 MB in the beginning and 171.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:34:41,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.99 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 102.4 MB in the beginning and 173.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.98 ms. Allocated memory is still 203.9 MB. Free memory was 173.5 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1621.45 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 159.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2480.93 ms. Allocated memory was 236.5 MB in the beginning and 248.0 MB in the end (delta: 11.5 MB). Free memory was 157.6 MB in the beginning and 171.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 176]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 172 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 382 SDtfs, 160 SDslu, 386 SDs, 0 SdLazy, 267 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 21051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...