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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:44,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:44,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:44,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:44,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:44,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:44,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:44,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:44,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:44,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:44,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:44,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:44,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:44,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:44,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:44,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:44,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:44,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:44,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:44,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:44,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:44,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:44,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:44,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:44,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:44,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:44,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:44,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:44,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:44,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:44,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:44,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:44,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:44,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:44,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:44,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:44,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:44,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:44,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:44,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:44,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:44,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:44,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:44,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:44,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:44,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:44,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:44,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:44,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:44,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:44,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:44,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:44,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:44,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:44,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:44,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:44,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:44,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:44,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:44,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:44,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:44,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:44,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:44,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:44,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:44,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:44,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:44,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:44,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:44,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:44,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:45,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:45,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:45,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:45,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:45,303 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:45,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-10-07 15:20:45,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b01b6bf/0645fcbfd7e043c0873b912d8f686b5a/FLAGb3c62b07d [2019-10-07 15:20:45,921 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:45,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product27.cil.c [2019-10-07 15:20:45,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b01b6bf/0645fcbfd7e043c0873b912d8f686b5a/FLAGb3c62b07d [2019-10-07 15:20:46,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b01b6bf/0645fcbfd7e043c0873b912d8f686b5a [2019-10-07 15:20:46,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:46,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:46,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:46,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:46,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:46,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42418550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46, skipping insertion in model container [2019-10-07 15:20:46,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:46,266 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:46,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:46,822 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:46,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:46,980 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:46,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46 WrapperNode [2019-10-07 15:20:46,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:46,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:46,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:46,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:46,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:46,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... [2019-10-07 15:20:47,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:47,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:47,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:47,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:47,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:48,687 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:48,687 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:48,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:48 BoogieIcfgContainer [2019-10-07 15:20:48,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:48,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:48,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:48,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:48,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:46" (1/3) ... [2019-10-07 15:20:48,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c2cf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:48, skipping insertion in model container [2019-10-07 15:20:48,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:46" (2/3) ... [2019-10-07 15:20:48,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c2cf76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:48, skipping insertion in model container [2019-10-07 15:20:48,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:48" (3/3) ... [2019-10-07 15:20:48,698 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2019-10-07 15:20:48,708 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:48,717 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:48,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:48,767 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:48,767 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:48,767 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:48,767 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:48,768 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:48,768 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:48,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:48,768 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-07 15:20:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:48,805 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:48,806 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:48,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:48,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:48,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1724538935, now seen corresponding path program 1 times [2019-10-07 15:20:48,823 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:48,824 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:48,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:48,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,197 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,197 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,197 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:49,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:49,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:49,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:49,217 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-07 15:20:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:49,258 INFO L93 Difference]: Finished difference Result 202 states and 249 transitions. [2019-10-07 15:20:49,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:49,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:49,273 INFO L225 Difference]: With dead ends: 202 [2019-10-07 15:20:49,273 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:20:49,277 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:49,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:20:49,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:20:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:20:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2019-10-07 15:20:49,336 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 52 [2019-10-07 15:20:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:49,337 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2019-10-07 15:20:49,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2019-10-07 15:20:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:49,341 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,342 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:49,342 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1987501338, now seen corresponding path program 1 times [2019-10-07 15:20:49,343 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,343 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,468 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,468 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,469 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:49,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:49,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:49,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:49,472 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2019-10-07 15:20:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:49,520 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-10-07 15:20:49,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:49,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:49,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:49,523 INFO L225 Difference]: With dead ends: 153 [2019-10-07 15:20:49,524 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:20:49,526 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:49,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:20:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:20:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:20:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-07 15:20:49,554 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 53 [2019-10-07 15:20:49,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:49,554 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-07 15:20:49,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-07 15:20:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:49,557 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:49,557 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:49,558 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:49,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:49,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2059437952, now seen corresponding path program 1 times [2019-10-07 15:20:49,558 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:49,559 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,559 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:49,760 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:49,761 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:49,761 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:49,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:49,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:49,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:49,763 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2019-10-07 15:20:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,176 INFO L93 Difference]: Finished difference Result 284 states and 341 transitions. [2019-10-07 15:20:50,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:50,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:50,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,182 INFO L225 Difference]: With dead ends: 284 [2019-10-07 15:20:50,184 INFO L226 Difference]: Without dead ends: 214 [2019-10-07 15:20:50,186 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-07 15:20:50,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 206. [2019-10-07 15:20:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-10-07 15:20:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 247 transitions. [2019-10-07 15:20:50,259 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 247 transitions. Word has length 56 [2019-10-07 15:20:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,260 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 247 transitions. [2019-10-07 15:20:50,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 247 transitions. [2019-10-07 15:20:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:50,263 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:50,265 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:50,265 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1243637268, now seen corresponding path program 1 times [2019-10-07 15:20:50,266 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:50,266 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,266 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,266 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:50,467 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:50,467 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:50,467 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:50,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:50,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:50,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:50,469 INFO L87 Difference]: Start difference. First operand 206 states and 247 transitions. Second operand 7 states. [2019-10-07 15:20:50,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:50,809 INFO L93 Difference]: Finished difference Result 347 states and 433 transitions. [2019-10-07 15:20:50,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:50,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:20:50,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:50,811 INFO L225 Difference]: With dead ends: 347 [2019-10-07 15:20:50,811 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:50,813 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:50,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:50,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:50,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:20:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:50,815 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:50,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:50,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:50,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:51,515 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 217) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point L207-2(lines 207 228) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 182 237) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point L229(lines 206 230) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 182 237) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point L283(line 283) no Hoare annotation was computed. [2019-10-07 15:20:51,516 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 238 297) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 238 297) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 238 297) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 289) no Hoare annotation was computed. [2019-10-07 15:20:51,517 INFO L443 ceAbstractionStarter]: For program point L290(lines 263 291) no Hoare annotation was computed. [2019-10-07 15:20:51,518 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:20:51,518 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:20:51,518 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:20:51,518 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:20:51,518 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 82 89) the Hoare annotation is: true [2019-10-07 15:20:51,518 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2019-10-07 15:20:51,518 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 90 99) the Hoare annotation is: true [2019-10-07 15:20:51,519 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-07 15:20:51,519 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 90 99) no Hoare annotation was computed. [2019-10-07 15:20:51,519 INFO L439 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:51,519 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-10-07 15:20:51,519 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 100 128) the Hoare annotation is: true [2019-10-07 15:20:51,519 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 122) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-07 15:20:51,520 INFO L443 ceAbstractionStarter]: For program point L110-1(line 110) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 125) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 100 128) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 100 128) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L446 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true [2019-10-07 15:20:51,520 INFO L443 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2019-10-07 15:20:51,520 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 676 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,521 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 676 698) no Hoare annotation was computed. [2019-10-07 15:20:51,521 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:51,521 INFO L439 ceAbstractionStarter]: At program point L688-1(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:51,521 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 693) no Hoare annotation was computed. [2019-10-07 15:20:51,521 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 686 693) no Hoare annotation was computed. [2019-10-07 15:20:51,521 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-10-07 15:20:51,522 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,522 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,522 INFO L439 ceAbstractionStarter]: At program point L682-1(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,522 INFO L443 ceAbstractionStarter]: For program point L641(line 641) no Hoare annotation was computed. [2019-10-07 15:20:51,522 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-07 15:20:51,522 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 633 656) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 633 656) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 633 656) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L649(line 649) no Hoare annotation was computed. [2019-10-07 15:20:51,523 INFO L443 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point L642(line 642) no Hoare annotation was computed. [2019-10-07 15:20:51,524 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 942 956) no Hoare annotation was computed. [2019-10-07 15:20:51,525 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 942 956) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:20:51,525 INFO L439 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:51,525 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-07 15:20:51,525 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 878 886) no Hoare annotation was computed. [2019-10-07 15:20:51,525 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 878 886) the Hoare annotation is: true [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-10-07 15:20:51,526 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 923 941) the Hoare annotation is: true [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 923 941) no Hoare annotation was computed. [2019-10-07 15:20:51,526 INFO L446 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point L917-1(line 917) no Hoare annotation was computed. [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 887 922) no Hoare annotation was computed. [2019-10-07 15:20:51,526 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 887 922) no Hoare annotation was computed. [2019-10-07 15:20:51,527 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:20:51,527 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:20:51,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 136 181) no Hoare annotation was computed. [2019-10-07 15:20:51,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 136 181) no Hoare annotation was computed. [2019-10-07 15:20:51,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 449 494) no Hoare annotation was computed. [2019-10-07 15:20:51,527 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 449 494) no Hoare annotation was computed. [2019-10-07 15:20:51,528 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 665 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,528 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,528 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 665 675) no Hoare annotation was computed. [2019-10-07 15:20:51,528 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 665 675) no Hoare annotation was computed. [2019-10-07 15:20:51,528 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 867 877) no Hoare annotation was computed. [2019-10-07 15:20:51,528 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 867 877) no Hoare annotation was computed. [2019-10-07 15:20:51,528 INFO L443 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2019-10-07 15:20:51,529 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-07 15:20:51,529 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 859 866) the Hoare annotation is: true [2019-10-07 15:20:51,529 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 859 866) no Hoare annotation was computed. [2019-10-07 15:20:51,529 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,529 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-10-07 15:20:51,529 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-10-07 15:20:51,529 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:51,530 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,530 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:51,530 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-10-07 15:20:51,530 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:51,530 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-10-07 15:20:51,530 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-10-07 15:20:51,530 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2019-10-07 15:20:51,531 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2019-10-07 15:20:51,531 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,531 INFO L439 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,531 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2019-10-07 15:20:51,531 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2019-10-07 15:20:51,531 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2019-10-07 15:20:51,531 INFO L439 ceAbstractionStarter]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,532 INFO L439 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,532 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 727) no Hoare annotation was computed. [2019-10-07 15:20:51,532 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2019-10-07 15:20:51,532 INFO L439 ceAbstractionStarter]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,532 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,532 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 753) no Hoare annotation was computed. [2019-10-07 15:20:51,532 INFO L439 ceAbstractionStarter]: At program point L747-1(lines 741 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point L712(lines 711 758) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 754) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 403 448) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 403 448) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 833 840) no Hoare annotation was computed. [2019-10-07 15:20:51,533 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 581 589) the Hoare annotation is: true [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 581 589) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 549 571) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 549 571) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:20:51,534 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 300 402) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L349-2(lines 349 369) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L370(lines 348 371) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 345) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 300 402) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L350(lines 349 369) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-10-07 15:20:51,535 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 387) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 300 402) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 328) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,536 INFO L443 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point L847-1(line 847) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 842 858) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 842 858) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point L853-1(lines 842 858) no Hoare annotation was computed. [2019-10-07 15:20:51,537 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 572 580) the Hoare annotation is: true [2019-10-07 15:20:51,537 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 572 580) no Hoare annotation was computed. [2019-10-07 15:20:51,538 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,538 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,538 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 528 539) the Hoare annotation is: true [2019-10-07 15:20:51,538 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 528 539) no Hoare annotation was computed. [2019-10-07 15:20:51,538 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 540 548) no Hoare annotation was computed. [2019-10-07 15:20:51,539 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 540 548) no Hoare annotation was computed. [2019-10-07 15:20:51,540 INFO L439 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:20:51,540 INFO L439 ceAbstractionStarter]: At program point L787(lines 787 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,540 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 773 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,540 INFO L439 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:51,540 INFO L443 ceAbstractionStarter]: For program point L780(lines 776 798) no Hoare annotation was computed. [2019-10-07 15:20:51,540 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 773 799) no Hoare annotation was computed. [2019-10-07 15:20:51,540 INFO L443 ceAbstractionStarter]: For program point L778(lines 776 798) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 773 799) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-07 15:20:51,541 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 602 631) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L443 ceAbstractionStarter]: For program point L608-1(line 608) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 602 631) the Hoare annotation is: true [2019-10-07 15:20:51,541 INFO L446 ceAbstractionStarter]: At program point L627(lines 602 631) the Hoare annotation is: true [2019-10-07 15:20:51,541 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2019-10-07 15:20:51,541 INFO L446 ceAbstractionStarter]: At program point L616-1(lines 616 620) the Hoare annotation is: true [2019-10-07 15:20:51,542 INFO L446 ceAbstractionStarter]: At program point L612-2(lines 612 626) the Hoare annotation is: true [2019-10-07 15:20:51,542 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 504 515) the Hoare annotation is: true [2019-10-07 15:20:51,542 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 504 515) no Hoare annotation was computed. [2019-10-07 15:20:51,542 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 657 663) no Hoare annotation was computed. [2019-10-07 15:20:51,542 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 657 663) the Hoare annotation is: true [2019-10-07 15:20:51,542 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,542 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:51,543 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:51,543 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:51,543 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 516 527) no Hoare annotation was computed. [2019-10-07 15:20:51,543 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 516 527) the Hoare annotation is: true [2019-10-07 15:20:51,543 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-10-07 15:20:51,543 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2019-10-07 15:20:51,544 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2019-10-07 15:20:51,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:51 BoogieIcfgContainer [2019-10-07 15:20:51,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:51,567 INFO L168 Benchmark]: Toolchain (without parser) took 5371.56 ms. Allocated memory was 144.7 MB in the beginning and 245.9 MB in the end (delta: 101.2 MB). Free memory was 101.4 MB in the beginning and 109.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,568 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:20:51,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.08 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.4 MB in the beginning and 170.0 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,570 INFO L168 Benchmark]: Boogie Preprocessor took 94.39 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,571 INFO L168 Benchmark]: RCFGBuilder took 1612.86 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.0 MB in the beginning and 146.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,572 INFO L168 Benchmark]: TraceAbstraction took 2872.43 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 146.3 MB in the beginning and 109.6 MB in the end (delta: 36.8 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:51,577 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 144.7 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.08 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 101.4 MB in the beginning and 170.0 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.39 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1612.86 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.0 MB in the beginning and 146.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2872.43 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 146.3 MB in the beginning and 109.6 MB in the end (delta: 36.8 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 711]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 188 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 450 SDtfs, 284 SDslu, 626 SDs, 0 SdLazy, 347 SolverSat, 110 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=206occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...