/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:29:17,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:29:17,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:29:17,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:29:17,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:29:17,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:29:17,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:29:17,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:29:17,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:29:17,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:29:17,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:29:17,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:29:17,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:29:17,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:29:17,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:29:17,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:29:17,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:29:17,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:29:17,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:29:17,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:29:17,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:29:17,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:29:17,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:29:17,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:29:17,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:29:17,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:29:17,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:29:17,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:29:17,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:29:17,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:29:17,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:29:17,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:29:17,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:29:17,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:29:17,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:29:17,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:29:17,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:29:17,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:29:17,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:29:17,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:29:17,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:29:17,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:29:17,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:29:17,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:29:17,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:29:17,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:29:17,898 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:29:17,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:29:17,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:29:17,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:29:17,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:29:17,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:29:17,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:29:17,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:29:17,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:29:17,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:29:17,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:29:17,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:29:17,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:29:17,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:29:17,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:29:17,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:29:17,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:29:17,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:29:17,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:29:17,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:29:17,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:29:17,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:29:17,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:29:17,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:29:17,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:29:18,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:29:18,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:29:18,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:29:18,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:29:18,264 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:29:18,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-11-07 04:29:18,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0eec5d4/81e6df7b1d704c7baa8c24457f07ed33/FLAGa6e98ce0e [2019-11-07 04:29:18,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:29:18,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-11-07 04:29:18,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0eec5d4/81e6df7b1d704c7baa8c24457f07ed33/FLAGa6e98ce0e [2019-11-07 04:29:19,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da0eec5d4/81e6df7b1d704c7baa8c24457f07ed33 [2019-11-07 04:29:19,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:29:19,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:29:19,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:19,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:29:19,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:29:19,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:19,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7792b04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19, skipping insertion in model container [2019-11-07 04:29:19,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:19,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:29:19,308 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:29:19,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:19,820 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:29:19,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:19,974 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:29:19,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19 WrapperNode [2019-11-07 04:29:19,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:19,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:29:19,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:29:19,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:29:19,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:19,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... [2019-11-07 04:29:20,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:29:20,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:29:20,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:29:20,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:29:20,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:29:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:29:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:29:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:29:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:29:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:29:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:29:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:29:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:29:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:29:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:29:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:29:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:29:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:29:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:29:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:29:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:29:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:29:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:29:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:29:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:29:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:29:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:29:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:29:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:29:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:29:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:29:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:29:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:29:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:29:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:29:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:29:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:29:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:29:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:29:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:29:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:29:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:29:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:29:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:29:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:29:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:29:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:29:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:29:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:29:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:29:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:29:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:29:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:29:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:29:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:29:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 04:29:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:29:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:29:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:29:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:29:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:29:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:29:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:29:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:29:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:29:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:29:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:29:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:29:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:29:21,745 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:29:21,745 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:29:21,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:21 BoogieIcfgContainer [2019-11-07 04:29:21,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:29:21,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:29:21,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:29:21,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:29:21,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:29:19" (1/3) ... [2019-11-07 04:29:21,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d6b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:21, skipping insertion in model container [2019-11-07 04:29:21,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:19" (2/3) ... [2019-11-07 04:29:21,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d6b6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:21, skipping insertion in model container [2019-11-07 04:29:21,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:21" (3/3) ... [2019-11-07 04:29:21,759 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2019-11-07 04:29:21,771 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:29:21,781 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:29:21,796 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:29:21,829 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:29:21,829 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:29:21,829 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:29:21,829 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:29:21,830 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:29:21,830 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:29:21,830 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:29:21,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:29:21,862 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2019-11-07 04:29:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:29:21,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:21,878 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:21,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:21,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1304200254, now seen corresponding path program 1 times [2019-11-07 04:29:21,898 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:21,898 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679121829] [2019-11-07 04:29:21,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:22,226 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679121829] [2019-11-07 04:29:22,226 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:22,227 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:29:22,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216121355] [2019-11-07 04:29:22,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:29:22,235 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:22,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:29:22,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:29:22,253 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2019-11-07 04:29:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:22,312 INFO L93 Difference]: Finished difference Result 253 states and 308 transitions. [2019-11-07 04:29:22,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:29:22,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:29:22,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:22,332 INFO L225 Difference]: With dead ends: 253 [2019-11-07 04:29:22,332 INFO L226 Difference]: Without dead ends: 127 [2019-11-07 04:29:22,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:29:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-07 04:29:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-11-07 04:29:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-07 04:29:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2019-11-07 04:29:22,419 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 42 [2019-11-07 04:29:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:22,420 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2019-11-07 04:29:22,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:29:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2019-11-07 04:29:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:29:22,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:22,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:22,427 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:22,428 INFO L82 PathProgramCache]: Analyzing trace with hash -411254829, now seen corresponding path program 1 times [2019-11-07 04:29:22,428 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:22,429 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835923879] [2019-11-07 04:29:22,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:22,623 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835923879] [2019-11-07 04:29:22,623 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:22,623 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:29:22,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956450957] [2019-11-07 04:29:22,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:29:22,626 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:22,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:29:22,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:29:22,627 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2019-11-07 04:29:22,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:22,673 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2019-11-07 04:29:22,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:29:22,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:29:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:22,677 INFO L225 Difference]: With dead ends: 211 [2019-11-07 04:29:22,678 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 04:29:22,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:29:22,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 04:29:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 04:29:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 04:29:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2019-11-07 04:29:22,714 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 43 [2019-11-07 04:29:22,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:22,714 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2019-11-07 04:29:22,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:29:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2019-11-07 04:29:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 04:29:22,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:22,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:22,724 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:22,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:22,724 INFO L82 PathProgramCache]: Analyzing trace with hash -72337174, now seen corresponding path program 1 times [2019-11-07 04:29:22,725 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:22,725 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207932410] [2019-11-07 04:29:22,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:22,922 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207932410] [2019-11-07 04:29:22,922 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:22,922 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:29:22,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113856518] [2019-11-07 04:29:22,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:29:22,925 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:22,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:29:22,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:29:22,925 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 7 states. [2019-11-07 04:29:23,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:23,290 INFO L93 Difference]: Finished difference Result 216 states and 253 transitions. [2019-11-07 04:29:23,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:29:23,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-11-07 04:29:23,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:23,294 INFO L225 Difference]: With dead ends: 216 [2019-11-07 04:29:23,294 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 04:29:23,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:29:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 04:29:23,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 04:29:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 04:29:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2019-11-07 04:29:23,318 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 45 [2019-11-07 04:29:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:23,319 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2019-11-07 04:29:23,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:29:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2019-11-07 04:29:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 04:29:23,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:23,323 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:23,323 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:23,323 INFO L82 PathProgramCache]: Analyzing trace with hash -2145215157, now seen corresponding path program 1 times [2019-11-07 04:29:23,324 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:23,324 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768261245] [2019-11-07 04:29:23,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:29:23,435 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768261245] [2019-11-07 04:29:23,435 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:23,435 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:29:23,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168337571] [2019-11-07 04:29:23,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:29:23,436 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:23,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:29:23,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:29:23,437 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 5 states. [2019-11-07 04:29:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:23,923 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2019-11-07 04:29:23,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:29:23,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-11-07 04:29:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:23,943 INFO L225 Difference]: With dead ends: 312 [2019-11-07 04:29:23,943 INFO L226 Difference]: Without dead ends: 215 [2019-11-07 04:29:23,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:29:23,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-11-07 04:29:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 200. [2019-11-07 04:29:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-07 04:29:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 220 transitions. [2019-11-07 04:29:23,971 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 220 transitions. Word has length 62 [2019-11-07 04:29:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:23,971 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 220 transitions. [2019-11-07 04:29:23,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:29:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 220 transitions. [2019-11-07 04:29:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-07 04:29:23,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:23,973 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:23,973 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:23,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1562870539, now seen corresponding path program 1 times [2019-11-07 04:29:23,975 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:23,976 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050546128] [2019-11-07 04:29:23,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:24,081 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050546128] [2019-11-07 04:29:24,082 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:24,082 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:29:24,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38604110] [2019-11-07 04:29:24,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:29:24,083 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:24,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:29:24,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:29:24,084 INFO L87 Difference]: Start difference. First operand 200 states and 220 transitions. Second operand 6 states. [2019-11-07 04:29:24,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:24,302 INFO L93 Difference]: Finished difference Result 542 states and 613 transitions. [2019-11-07 04:29:24,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:29:24,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-11-07 04:29:24,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:24,307 INFO L225 Difference]: With dead ends: 542 [2019-11-07 04:29:24,307 INFO L226 Difference]: Without dead ends: 364 [2019-11-07 04:29:24,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:29:24,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-07 04:29:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2019-11-07 04:29:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-11-07 04:29:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 389 transitions. [2019-11-07 04:29:24,366 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 389 transitions. Word has length 72 [2019-11-07 04:29:24,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:24,366 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 389 transitions. [2019-11-07 04:29:24,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:29:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 389 transitions. [2019-11-07 04:29:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-07 04:29:24,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:24,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:24,370 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:24,370 INFO L82 PathProgramCache]: Analyzing trace with hash -457811190, now seen corresponding path program 1 times [2019-11-07 04:29:24,370 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:24,370 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734646707] [2019-11-07 04:29:24,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:24,486 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734646707] [2019-11-07 04:29:24,486 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:24,486 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:29:24,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345905845] [2019-11-07 04:29:24,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:29:24,487 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:24,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:29:24,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:29:24,488 INFO L87 Difference]: Start difference. First operand 354 states and 389 transitions. Second operand 7 states. [2019-11-07 04:29:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:25,116 INFO L93 Difference]: Finished difference Result 380 states and 426 transitions. [2019-11-07 04:29:25,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:29:25,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-11-07 04:29:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:25,121 INFO L225 Difference]: With dead ends: 380 [2019-11-07 04:29:25,121 INFO L226 Difference]: Without dead ends: 377 [2019-11-07 04:29:25,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:29:25,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-07 04:29:25,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 354. [2019-11-07 04:29:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-11-07 04:29:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 388 transitions. [2019-11-07 04:29:25,150 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 388 transitions. Word has length 75 [2019-11-07 04:29:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:25,151 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 388 transitions. [2019-11-07 04:29:25,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:29:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 388 transitions. [2019-11-07 04:29:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 04:29:25,153 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:25,153 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:25,153 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash 187706968, now seen corresponding path program 1 times [2019-11-07 04:29:25,154 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:25,154 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679475207] [2019-11-07 04:29:25,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:29:25,309 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679475207] [2019-11-07 04:29:25,309 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727740557] [2019-11-07 04:29:25,310 INFO L94 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 [2019-11-07 04:29:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:25,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-07 04:29:25,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:29:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:25,644 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:29:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:29:26,435 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:29:26,436 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-11-07 04:29:26,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720187300] [2019-11-07 04:29:26,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:29:26,437 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:26,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:29:26,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-11-07 04:29:26,438 INFO L87 Difference]: Start difference. First operand 354 states and 388 transitions. Second operand 11 states. [2019-11-07 04:29:27,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:27,215 INFO L93 Difference]: Finished difference Result 817 states and 931 transitions. [2019-11-07 04:29:27,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:29:27,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2019-11-07 04:29:27,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:27,220 INFO L225 Difference]: With dead ends: 817 [2019-11-07 04:29:27,220 INFO L226 Difference]: Without dead ends: 485 [2019-11-07 04:29:27,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-11-07 04:29:27,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-11-07 04:29:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 477. [2019-11-07 04:29:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2019-11-07 04:29:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 527 transitions. [2019-11-07 04:29:27,282 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 527 transitions. Word has length 88 [2019-11-07 04:29:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:27,282 INFO L462 AbstractCegarLoop]: Abstraction has 477 states and 527 transitions. [2019-11-07 04:29:27,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:29:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 527 transitions. [2019-11-07 04:29:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-07 04:29:27,286 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:27,287 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:29:27,491 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:29:27,492 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:27,492 INFO L82 PathProgramCache]: Analyzing trace with hash 62904628, now seen corresponding path program 1 times [2019-11-07 04:29:27,492 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:27,492 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016420449] [2019-11-07 04:29:27,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:29:27,820 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016420449] [2019-11-07 04:29:27,820 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902399435] [2019-11-07 04:29:27,820 INFO L94 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 [2019-11-07 04:29:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:28,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-07 04:29:28,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:29:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:29:28,220 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:29:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-07 04:29:28,774 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:29:28,774 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-11-07 04:29:28,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674823561] [2019-11-07 04:29:28,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:29:28,775 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:28,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:29:28,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-11-07 04:29:28,776 INFO L87 Difference]: Start difference. First operand 477 states and 527 transitions. Second operand 11 states. [2019-11-07 04:29:29,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:29,452 INFO L93 Difference]: Finished difference Result 1131 states and 1280 transitions. [2019-11-07 04:29:29,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:29:29,455 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2019-11-07 04:29:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:29,456 INFO L225 Difference]: With dead ends: 1131 [2019-11-07 04:29:29,457 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:29:29,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-11-07 04:29:29,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:29:29,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:29:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:29:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:29:29,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2019-11-07 04:29:29,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:29,461 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:29:29,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:29:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:29:29,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:29:29,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:29:29,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:29:31,484 INFO L443 ceAbstractionStarter]: For program point L730(lines 707 731) no Hoare annotation was computed. [2019-11-07 04:29:31,485 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2019-11-07 04:29:31,485 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2019-11-07 04:29:31,485 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2019-11-07 04:29:31,485 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2019-11-07 04:29:31,485 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point L791(lines 764 792) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point L784-1(line 784) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2019-11-07 04:29:31,486 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2019-11-07 04:29:31,487 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-11-07 04:29:31,487 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 04:29:31,487 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 04:29:31,487 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 04:29:31,487 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 04:29:31,488 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,488 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2019-11-07 04:29:31,488 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,488 INFO L439 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,488 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2019-11-07 04:29:31,488 INFO L443 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2019-11-07 04:29:31,488 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-11-07 04:29:31,489 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,489 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,489 INFO L439 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,489 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2019-11-07 04:29:31,489 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2019-11-07 04:29:31,489 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2019-11-07 04:29:31,489 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L272(line 272) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L270(line 270) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-11-07 04:29:31,490 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-11-07 04:29:31,491 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-11-07 04:29:31,491 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-11-07 04:29:31,491 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,491 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2019-11-07 04:29:31,491 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:29:31,491 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,491 INFO L439 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:29:31,491 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2019-11-07 04:29:31,492 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-11-07 04:29:31,492 INFO L439 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:29:31,492 INFO L443 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2019-11-07 04:29:31,492 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2019-11-07 04:29:31,492 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2019-11-07 04:29:31,492 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2019-11-07 04:29:31,492 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2019-11-07 04:29:31,493 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 04:29:31,493 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 04:29:31,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2019-11-07 04:29:31,494 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2019-11-07 04:29:31,494 INFO L446 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2019-11-07 04:29:31,494 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-11-07 04:29:31,495 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2019-11-07 04:29:31,495 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:29:31,495 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2019-11-07 04:29:31,495 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-11-07 04:29:31,495 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-11-07 04:29:31,496 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2019-11-07 04:29:31,496 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2019-11-07 04:29:31,496 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,496 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,496 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2019-11-07 04:29:31,496 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:29:31,497 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:29:31,497 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-11-07 04:29:31,498 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:29:31,498 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-11-07 04:29:31,498 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2019-11-07 04:29:31,498 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2019-11-07 04:29:31,498 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,499 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2019-11-07 04:29:31,499 INFO L439 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,499 INFO L439 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,499 INFO L443 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2019-11-07 04:29:31,499 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,499 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-11-07 04:29:31,500 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-11-07 04:29:31,500 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 04:29:31,500 INFO L439 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 04:29:31,500 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2019-11-07 04:29:31,500 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2019-11-07 04:29:31,500 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:29:31,501 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 846) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L851(lines 850 870) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 888) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-11-07 04:29:31,502 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point L871(lines 849 872) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2019-11-07 04:29:31,503 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~5)) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,504 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L439 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2019-11-07 04:29:31,504 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-11-07 04:29:31,504 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2019-11-07 04:29:31,504 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-11-07 04:29:31,505 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:29:31,505 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-11-07 04:29:31,505 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:31,505 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:29:31,505 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-11-07 04:29:31,505 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-11-07 04:29:31,505 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,505 INFO L439 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,505 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-11-07 04:29:31,505 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (or (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2019-11-07 04:29:31,506 INFO L446 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-11-07 04:29:31,506 INFO L446 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L446 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L446 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-11-07 04:29:31,507 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-11-07 04:29:31,507 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2019-11-07 04:29:31,507 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:29:31,507 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:29:31,507 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:29:31,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:29:31,508 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,508 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 04:29:31,508 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2019-11-07 04:29:31,508 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2019-11-07 04:29:31,508 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,508 INFO L439 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,508 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2019-11-07 04:29:31,508 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 04:29:31,508 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-11-07 04:29:31,509 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2019-11-07 04:29:31,509 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-11-07 04:29:31,509 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: true [2019-11-07 04:29:31,509 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2019-11-07 04:29:31,509 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-11-07 04:29:31,509 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2019-11-07 04:29:31,509 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2019-11-07 04:29:31,510 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2019-11-07 04:29:31,510 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:29:31,510 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-11-07 04:29:31,510 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:29:31,510 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-11-07 04:29:31,510 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2019-11-07 04:29:31,511 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2019-11-07 04:29:31,511 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-11-07 04:29:31,511 INFO L443 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2019-11-07 04:29:31,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:29:31 BoogieIcfgContainer [2019-11-07 04:29:31,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:29:31,526 INFO L168 Benchmark]: Toolchain (without parser) took 12364.37 ms. Allocated memory was 137.9 MB in the beginning and 390.1 MB in the end (delta: 252.2 MB). Free memory was 101.3 MB in the beginning and 81.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,527 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.74 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,529 INFO L168 Benchmark]: Boogie Preprocessor took 87.37 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,530 INFO L168 Benchmark]: RCFGBuilder took 1684.68 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 141.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,531 INFO L168 Benchmark]: TraceAbstraction took 9774.42 ms. Allocated memory was 233.8 MB in the beginning and 390.1 MB in the end (delta: 156.2 MB). Free memory was 141.1 MB in the beginning and 81.3 MB in the end (delta: 59.8 MB). Peak memory consumption was 218.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:29:31,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.74 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.37 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1684.68 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 163.5 MB in the beginning and 141.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9774.42 ms. Allocated memory was 233.8 MB in the beginning and 390.1 MB in the end (delta: 156.2 MB). Free memory was 141.1 MB in the beginning and 81.3 MB in the end (delta: 59.8 MB). Peak memory consumption was 218.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == splverifierCounter && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 199 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1155 SDtfs, 716 SDslu, 3025 SDs, 0 SdLazy, 1850 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=477occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 56 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1113 PreInvPairs, 1172 NumberOfFragments, 791 HoareAnnotationTreeSize, 1113 FomulaSimplifications, 1321 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 2613 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 182008 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1635 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 128/137 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...