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_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:04,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:04,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:04,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:04,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:04,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:04,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:04,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:04,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:04,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:04,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:04,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:04,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:04,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:04,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:04,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:04,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:04,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:04,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:04,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:04,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:04,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:04,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:04,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:04,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:04,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:04,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:04,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:04,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:04,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:04,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:04,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:04,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:04,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:04,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:04,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:04,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:04,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:04,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:04,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:04,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:04,937 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 15:17:04,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:04,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:04,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:04,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:04,953 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:04,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:04,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:04,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:04,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:04,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:04,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:04,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:04,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:04,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:04,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:04,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:04,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:04,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:04,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:04,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:04,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:04,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:04,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:04,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:04,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:04,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:04,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:04,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:04,958 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 15:17:05,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:05,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:05,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:05,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:05,262 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:05,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-10-07 15:17:05,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5317207d2/2a89dfb8c67c497cbe12d0245d5dda71/FLAGc862c1288 [2019-10-07 15:17:05,873 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:05,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-10-07 15:17:05,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5317207d2/2a89dfb8c67c497cbe12d0245d5dda71/FLAGc862c1288 [2019-10-07 15:17:06,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5317207d2/2a89dfb8c67c497cbe12d0245d5dda71 [2019-10-07 15:17:06,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:06,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:06,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:06,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:06,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:06,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774ac415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06, skipping insertion in model container [2019-10-07 15:17:06,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,145 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:06,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:06,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:06,730 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:06,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:06,874 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:06,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06 WrapperNode [2019-10-07 15:17:06,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:06,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:06,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:06,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:06,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (1/1) ... [2019-10-07 15:17:06,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:06,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:06,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:06,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:06,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (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 15:17:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:17:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:17:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:08,728 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:08,728 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:08,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:08 BoogieIcfgContainer [2019-10-07 15:17:08,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:08,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:08,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:08,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:08,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:06" (1/3) ... [2019-10-07 15:17:08,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330282d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:08, skipping insertion in model container [2019-10-07 15:17:08,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:06" (2/3) ... [2019-10-07 15:17:08,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330282d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:08, skipping insertion in model container [2019-10-07 15:17:08,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:08" (3/3) ... [2019-10-07 15:17:08,740 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-10-07 15:17:08,750 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:08,760 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:08,772 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:08,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:08,810 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:08,810 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:08,810 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:08,810 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:08,811 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:08,811 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:08,811 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-07 15:17:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:08,865 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:08,867 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:08,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:08,877 INFO L82 PathProgramCache]: Analyzing trace with hash -947571005, now seen corresponding path program 1 times [2019-10-07 15:17:08,889 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:08,889 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:08,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,890 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,296 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,297 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,297 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:09,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:09,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:09,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:09,319 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-07 15:17:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:09,372 INFO L93 Difference]: Finished difference Result 246 states and 303 transitions. [2019-10-07 15:17:09,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:09,374 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:09,396 INFO L225 Difference]: With dead ends: 246 [2019-10-07 15:17:09,397 INFO L226 Difference]: Without dead ends: 125 [2019-10-07 15:17:09,406 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 15:17:09,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-07 15:17:09,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-07 15:17:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-07 15:17:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2019-10-07 15:17:09,462 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2019-10-07 15:17:09,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:09,462 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2019-10-07 15:17:09,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2019-10-07 15:17:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:09,467 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:09,467 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:09,467 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:09,468 INFO L82 PathProgramCache]: Analyzing trace with hash 12818591, now seen corresponding path program 1 times [2019-10-07 15:17:09,468 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:09,468 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,469 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,469 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,634 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,635 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,635 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:09,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:09,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:09,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:09,638 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2019-10-07 15:17:09,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:09,663 INFO L93 Difference]: Finished difference Result 194 states and 228 transitions. [2019-10-07 15:17:09,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:09,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:09,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:09,667 INFO L225 Difference]: With dead ends: 194 [2019-10-07 15:17:09,667 INFO L226 Difference]: Without dead ends: 117 [2019-10-07 15:17:09,669 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 15:17:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-07 15:17:09,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-07 15:17:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-07 15:17:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2019-10-07 15:17:09,685 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 47 [2019-10-07 15:17:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:09,686 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2019-10-07 15:17:09,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2019-10-07 15:17:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:17:09,688 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:09,689 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:09,689 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:09,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:09,690 INFO L82 PathProgramCache]: Analyzing trace with hash -437000198, now seen corresponding path program 1 times [2019-10-07 15:17:09,690 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:09,690 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,690 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,690 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:09,859 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:09,860 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:09,860 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:09,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:09,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:09,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:09,861 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 7 states. [2019-10-07 15:17:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,395 INFO L93 Difference]: Finished difference Result 347 states and 420 transitions. [2019-10-07 15:17:10,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:10,395 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:17:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,400 INFO L225 Difference]: With dead ends: 347 [2019-10-07 15:17:10,400 INFO L226 Difference]: Without dead ends: 255 [2019-10-07 15:17:10,403 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 15:17:10,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-07 15:17:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2019-10-07 15:17:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-10-07 15:17:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 293 transitions. [2019-10-07 15:17:10,472 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 293 transitions. Word has length 51 [2019-10-07 15:17:10,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:10,473 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 293 transitions. [2019-10-07 15:17:10,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 293 transitions. [2019-10-07 15:17:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:17:10,477 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:10,477 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:10,477 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:10,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash -2013346274, now seen corresponding path program 1 times [2019-10-07 15:17:10,478 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:10,480 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,481 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,481 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:10,622 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:10,622 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:10,622 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:10,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:10,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:10,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:10,624 INFO L87 Difference]: Start difference. First operand 243 states and 293 transitions. Second operand 6 states. [2019-10-07 15:17:10,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:10,921 INFO L93 Difference]: Finished difference Result 661 states and 816 transitions. [2019-10-07 15:17:10,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:10,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:17:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:10,934 INFO L225 Difference]: With dead ends: 661 [2019-10-07 15:17:10,935 INFO L226 Difference]: Without dead ends: 443 [2019-10-07 15:17:10,936 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:10,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-10-07 15:17:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 431. [2019-10-07 15:17:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-07 15:17:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 523 transitions. [2019-10-07 15:17:11,000 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 523 transitions. Word has length 55 [2019-10-07 15:17:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:11,001 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 523 transitions. [2019-10-07 15:17:11,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 523 transitions. [2019-10-07 15:17:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:17:11,012 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:11,012 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:11,013 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:11,013 INFO L82 PathProgramCache]: Analyzing trace with hash -123056717, now seen corresponding path program 1 times [2019-10-07 15:17:11,013 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:11,014 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,014 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:11,161 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,161 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:11,161 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:11,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:11,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:11,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:11,164 INFO L87 Difference]: Start difference. First operand 431 states and 523 transitions. Second operand 7 states. [2019-10-07 15:17:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:11,784 INFO L93 Difference]: Finished difference Result 1155 states and 1514 transitions. [2019-10-07 15:17:11,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:11,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:17:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:11,790 INFO L225 Difference]: With dead ends: 1155 [2019-10-07 15:17:11,791 INFO L226 Difference]: Without dead ends: 749 [2019-10-07 15:17:11,793 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:11,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2019-10-07 15:17:11,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 660. [2019-10-07 15:17:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-07 15:17:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 792 transitions. [2019-10-07 15:17:11,859 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 792 transitions. Word has length 58 [2019-10-07 15:17:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:11,859 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 792 transitions. [2019-10-07 15:17:11,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 792 transitions. [2019-10-07 15:17:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 15:17:11,864 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:11,865 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, 1, 1, 1, 1, 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 15:17:11,865 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:11,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:11,866 INFO L82 PathProgramCache]: Analyzing trace with hash -531453608, now seen corresponding path program 1 times [2019-10-07 15:17:11,866 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:11,866 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:11,866 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,866 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:12,131 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:12,132 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:12,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:12,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:12,402 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 15:17:12,402 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:12,556 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 15:17:12,557 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:12,557 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:12,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:12,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:12,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:12,559 INFO L87 Difference]: Start difference. First operand 660 states and 792 transitions. Second operand 3 states. [2019-10-07 15:17:12,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:12,630 INFO L93 Difference]: Finished difference Result 933 states and 1146 transitions. [2019-10-07 15:17:12,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:12,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2019-10-07 15:17:12,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:12,643 INFO L225 Difference]: With dead ends: 933 [2019-10-07 15:17:12,643 INFO L226 Difference]: Without dead ends: 930 [2019-10-07 15:17:12,645 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2019-10-07 15:17:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 902. [2019-10-07 15:17:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2019-10-07 15:17:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1109 transitions. [2019-10-07 15:17:12,725 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1109 transitions. Word has length 89 [2019-10-07 15:17:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:12,725 INFO L462 AbstractCegarLoop]: Abstraction has 902 states and 1109 transitions. [2019-10-07 15:17:12,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1109 transitions. [2019-10-07 15:17:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 15:17:12,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:12,738 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:12,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:12,972 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash 590647019, now seen corresponding path program 1 times [2019-10-07 15:17:12,972 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:12,973 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:12,973 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:12,973 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:17:13,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:13,173 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:13,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:13,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:17:13,503 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:17:14,304 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:14,304 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:14,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:14,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:14,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:14,306 INFO L87 Difference]: Start difference. First operand 902 states and 1109 transitions. Second operand 11 states. [2019-10-07 15:17:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:15,335 INFO L93 Difference]: Finished difference Result 2060 states and 2624 transitions. [2019-10-07 15:17:15,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:15,336 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2019-10-07 15:17:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:15,344 INFO L225 Difference]: With dead ends: 2060 [2019-10-07 15:17:15,345 INFO L226 Difference]: Without dead ends: 1183 [2019-10-07 15:17:15,348 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-10-07 15:17:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1169. [2019-10-07 15:17:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2019-10-07 15:17:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1430 transitions. [2019-10-07 15:17:15,425 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1430 transitions. Word has length 142 [2019-10-07 15:17:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:15,426 INFO L462 AbstractCegarLoop]: Abstraction has 1169 states and 1430 transitions. [2019-10-07 15:17:15,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1430 transitions. [2019-10-07 15:17:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 15:17:15,434 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:15,434 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:15,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:15,641 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:15,641 INFO L82 PathProgramCache]: Analyzing trace with hash 391457200, now seen corresponding path program 1 times [2019-10-07 15:17:15,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:15,642 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:15,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:15,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 39 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-07 15:17:15,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:15,973 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:15,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:16,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:16,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 15:17:16,460 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 54 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-07 15:17:17,245 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:17,246 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:17:17,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:17,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:17,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:17:17,280 INFO L87 Difference]: Start difference. First operand 1169 states and 1430 transitions. Second operand 11 states. [2019-10-07 15:17:18,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:18,139 INFO L93 Difference]: Finished difference Result 2528 states and 3147 transitions. [2019-10-07 15:17:18,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:18,142 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-10-07 15:17:18,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:18,143 INFO L225 Difference]: With dead ends: 2528 [2019-10-07 15:17:18,143 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:18,150 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:17:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:18,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2019-10-07 15:17:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:18,152 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:18,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:18,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:18,357 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:18,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:19,767 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 19 [2019-10-07 15:17:20,109 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-10-07 15:17:20,737 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2019-10-07 15:17:21,597 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 602) no Hoare annotation was computed. [2019-10-07 15:17:21,597 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2019-10-07 15:17:21,597 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2019-10-07 15:17:21,597 INFO L443 ceAbstractionStarter]: For program point L614(lines 591 615) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 659) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:17:21,598 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2019-10-07 15:17:21,599 INFO L443 ceAbstractionStarter]: For program point L675(lines 648 676) no Hoare annotation was computed. [2019-10-07 15:17:21,599 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-07 15:17:21,599 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-07 15:17:21,599 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-07 15:17:21,599 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-07 15:17:21,599 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,599 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2019-10-07 15:17:21,600 INFO L439 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,600 INFO L439 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,600 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-10-07 15:17:21,600 INFO L443 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2019-10-07 15:17:21,600 INFO L443 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2019-10-07 15:17:21,600 INFO L439 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,600 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,600 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,600 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-07 15:17:21,600 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 921 944) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 921 944) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 921 944) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-07 15:17:21,601 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,602 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2019-10-07 15:17:21,602 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,603 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,603 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,603 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-10-07 15:17:21,603 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2019-10-07 15:17:21,603 INFO L439 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:21,603 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-10-07 15:17:21,603 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0))) [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-10-07 15:17:21,604 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 396 431) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 396 431) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,605 INFO L439 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2019-10-07 15:17:21,605 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2019-10-07 15:17:21,606 INFO L446 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2019-10-07 15:17:21,606 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:21,606 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,606 INFO L443 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2019-10-07 15:17:21,607 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:17:21,607 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-07 15:17:21,607 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-10-07 15:17:21,607 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:21,607 INFO L443 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2019-10-07 15:17:21,607 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-10-07 15:17:21,607 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2019-10-07 15:17:21,607 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2019-10-07 15:17:21,607 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,608 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,608 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-10-07 15:17:21,608 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,608 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2019-10-07 15:17:21,608 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-10-07 15:17:21,608 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2019-10-07 15:17:21,608 INFO L439 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,609 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,609 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-07 15:17:21,609 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2019-10-07 15:17:21,609 INFO L439 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:21,609 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,609 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-10-07 15:17:21,609 INFO L439 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= 0 ~systemActive~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2019-10-07 15:17:21,610 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2019-10-07 15:17:21,610 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (and (not (= 0 ~pumpRunning~0)) (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2019-10-07 15:17:21,610 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-10-07 15:17:21,611 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-10-07 15:17:21,611 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:17:21,611 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-07 15:17:21,611 INFO L443 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2019-10-07 15:17:21,611 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-10-07 15:17:21,611 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2019-10-07 15:17:21,611 INFO L439 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse4 .cse1 .cse2 .cse3))) [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:17:21,612 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 754) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 772) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:17:21,613 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point L755(lines 733 756) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 730) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2019-10-07 15:17:21,614 INFO L439 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,614 INFO L443 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L446 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2019-10-07 15:17:21,615 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-10-07 15:17:21,615 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2019-10-07 15:17:21,616 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or (not (= 0 ~pumpRunning~0)) .cse2)) (or .cse1 .cse0 (or (= ~systemActive~0 0) .cse2)))) [2019-10-07 15:17:21,616 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:17:21,616 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,616 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,616 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-07 15:17:21,616 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:17:21,616 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:17:21,616 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (and (= ~pumpRunning~0 0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:21,616 INFO L439 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)) .cse4)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (= ~systemActive~0 0) (and .cse2 .cse4) .cse1 .cse3)))) [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~systemActive~0 0) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0))))) [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L446 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2019-10-07 15:17:21,617 INFO L446 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-10-07 15:17:21,617 INFO L446 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2019-10-07 15:17:21,618 INFO L446 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: true [2019-10-07 15:17:21,618 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:17:21,618 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:17:21,618 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2019-10-07 15:17:21,618 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2019-10-07 15:17:21,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,618 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:21,618 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:21,618 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:21,618 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2019-10-07 15:17:21,618 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: true [2019-10-07 15:17:21,619 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:17:21,619 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-07 15:17:21,619 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2019-10-07 15:17:21,619 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-10-07 15:17:21,619 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2019-10-07 15:17:21,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:21 BoogieIcfgContainer [2019-10-07 15:17:21,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:21,639 INFO L168 Benchmark]: Toolchain (without parser) took 15506.83 ms. Allocated memory was 144.7 MB in the beginning and 431.0 MB in the end (delta: 286.3 MB). Free memory was 101.6 MB in the beginning and 252.6 MB in the end (delta: -151.0 MB). Peak memory consumption was 301.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,640 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.70 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,643 INFO L168 Benchmark]: Boogie Preprocessor took 105.88 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 164.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,644 INFO L168 Benchmark]: RCFGBuilder took 1748.20 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 164.4 MB in the beginning and 146.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,645 INFO L168 Benchmark]: TraceAbstraction took 12905.26 ms. Allocated memory was 234.4 MB in the beginning and 431.0 MB in the end (delta: 196.6 MB). Free memory was 145.5 MB in the beginning and 252.6 MB in the end (delta: -107.2 MB). Peak memory consumption was 255.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:21,649 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 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.70 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 168.5 MB in the end (delta: -67.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.88 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 164.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1748.20 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 164.4 MB in the beginning and 146.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12905.26 ms. Allocated memory was 234.4 MB in the beginning and 431.0 MB in the end (delta: 196.6 MB). Free memory was 145.5 MB in the beginning and 252.6 MB in the end (delta: -107.2 MB). Peak memory consumption was 255.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: 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: 193]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 197 locations, 1 error locations. Result: SAFE, OverallTime: 12.8s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 1212 SDtfs, 751 SDslu, 3102 SDs, 0 SdLazy, 1944 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1169occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 155 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2211 PreInvPairs, 2365 NumberOfFragments, 1336 HoareAnnotationTreeSize, 2211 FomulaSimplifications, 3342 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 67 FomulaSimplificationsInter, 6346 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1097 NumberOfCodeBlocks, 1097 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1503 ConstructedInterpolants, 0 QuantifiedInterpolants, 322528 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2760 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 511/558 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...