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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:44,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:44,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:44,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:44,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:44,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:44,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:44,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:44,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:44,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:44,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:44,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:44,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:44,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:44,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:44,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:44,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:44,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:44,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:44,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:44,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:44,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:44,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:44,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:44,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:44,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:44,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:44,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:44,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:44,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:44,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:44,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:44,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:44,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:44,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:44,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:44,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:44,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:44,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:44,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:44,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:44,182 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 [2019-09-08 06:08:44,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:44,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:44,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:44,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:44,198 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:44,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:44,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:44,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:44,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:44,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:44,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:44,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:44,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:44,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:44,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:44,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:44,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:44,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:44,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:44,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:44,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:44,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:44,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:44,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:44,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:44,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:44,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:44,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:44,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:44,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:44,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:44,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:44,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:44,250 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:44,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2019-09-08 06:08:44,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c158de5/541dd406a8704579a8261c22a3b7c244/FLAGe509536bc [2019-09-08 06:08:44,816 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:44,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2019-09-08 06:08:44,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c158de5/541dd406a8704579a8261c22a3b7c244/FLAGe509536bc [2019-09-08 06:08:45,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c158de5/541dd406a8704579a8261c22a3b7c244 [2019-09-08 06:08:45,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:45,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:45,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:45,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:45,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:45,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:45,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bc72f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45, skipping insertion in model container [2019-09-08 06:08:45,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:45,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:45,279 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:45,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:45,875 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:45,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:45,986 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:45,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45 WrapperNode [2019-09-08 06:08:45,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:45,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:45,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:45,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:45,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:45,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:46,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:46,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:46,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:46,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (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 [2019-09-08 06:08:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:08:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:08:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:08:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:08:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:47,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:47,176 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:47,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:47 BoogieIcfgContainer [2019-09-08 06:08:47,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:47,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:47,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:47,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:47,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:45" (1/3) ... [2019-09-08 06:08:47,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba8e7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:47, skipping insertion in model container [2019-09-08 06:08:47,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45" (2/3) ... [2019-09-08 06:08:47,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba8e7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:47, skipping insertion in model container [2019-09-08 06:08:47,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:47" (3/3) ... [2019-09-08 06:08:47,185 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2019-09-08 06:08:47,195 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:47,203 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:47,220 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:47,250 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:47,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:47,251 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:47,251 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:47,251 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:47,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:47,251 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:47,252 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:47,252 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-09-08 06:08:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:47,283 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:47,284 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:47,287 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:47,293 INFO L82 PathProgramCache]: Analyzing trace with hash -403347124, now seen corresponding path program 1 times [2019-09-08 06:08:47,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:47,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:47,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:47,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:47,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:47,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:47,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:47,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:47,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:47,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:47,722 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-09-08 06:08:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:47,770 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2019-09-08 06:08:47,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:47,772 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:47,784 INFO L225 Difference]: With dead ends: 200 [2019-09-08 06:08:47,785 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:47,789 INFO L628 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 [2019-09-08 06:08:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:47,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2019-09-08 06:08:47,841 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2019-09-08 06:08:47,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:47,841 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2019-09-08 06:08:47,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2019-09-08 06:08:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:47,845 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:47,846 INFO L399 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] [2019-09-08 06:08:47,846 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:47,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1720191538, now seen corresponding path program 1 times [2019-09-08 06:08:47,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:47,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:47,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:47,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:47,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:47,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:47,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:47,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:47,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:47,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:47,980 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states. [2019-09-08 06:08:48,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:48,017 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2019-09-08 06:08:48,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:48,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:48,024 INFO L225 Difference]: With dead ends: 136 [2019-09-08 06:08:48,025 INFO L226 Difference]: Without dead ends: 91 [2019-09-08 06:08:48,027 INFO L628 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 [2019-09-08 06:08:48,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-09-08 06:08:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-09-08 06:08:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-09-08 06:08:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2019-09-08 06:08:48,040 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2019-09-08 06:08:48,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:48,041 INFO L475 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2019-09-08 06:08:48,041 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2019-09-08 06:08:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:08:48,046 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:48,046 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:48,048 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:48,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1933430427, now seen corresponding path program 1 times [2019-09-08 06:08:48,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:48,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:48,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:48,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:48,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:48,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:48,255 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:48,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:48,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:48,256 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2019-09-08 06:08:48,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:48,640 INFO L93 Difference]: Finished difference Result 281 states and 336 transitions. [2019-09-08 06:08:48,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:48,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:08:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:48,644 INFO L225 Difference]: With dead ends: 281 [2019-09-08 06:08:48,644 INFO L226 Difference]: Without dead ends: 214 [2019-09-08 06:08:48,646 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:08:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-09-08 06:08:48,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2019-09-08 06:08:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-09-08 06:08:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2019-09-08 06:08:48,688 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2019-09-08 06:08:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:48,689 INFO L475 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2019-09-08 06:08:48,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2019-09-08 06:08:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:08:48,695 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:48,696 INFO L399 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] [2019-09-08 06:08:48,696 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:48,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1944220283, now seen corresponding path program 1 times [2019-09-08 06:08:48,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:48,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:48,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:48,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:48,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:48,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:48,856 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:48,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:48,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:48,857 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 6 states. [2019-09-08 06:08:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:49,073 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2019-09-08 06:08:49,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:49,074 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-08 06:08:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:49,078 INFO L225 Difference]: With dead ends: 495 [2019-09-08 06:08:49,078 INFO L226 Difference]: Without dead ends: 329 [2019-09-08 06:08:49,080 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:08:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-09-08 06:08:49,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2019-09-08 06:08:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-09-08 06:08:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 392 transitions. [2019-09-08 06:08:49,134 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 392 transitions. Word has length 61 [2019-09-08 06:08:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:49,136 INFO L475 AbstractCegarLoop]: Abstraction has 323 states and 392 transitions. [2019-09-08 06:08:49,136 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 392 transitions. [2019-09-08 06:08:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:49,144 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:49,145 INFO L399 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] [2019-09-08 06:08:49,145 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:49,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:49,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1974146389, now seen corresponding path program 1 times [2019-09-08 06:08:49,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:49,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:49,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:49,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:49,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:49,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:49,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:49,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:49,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:49,222 INFO L87 Difference]: Start difference. First operand 323 states and 392 transitions. Second operand 3 states. [2019-09-08 06:08:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:49,256 INFO L93 Difference]: Finished difference Result 596 states and 734 transitions. [2019-09-08 06:08:49,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:49,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-08 06:08:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:49,262 INFO L225 Difference]: With dead ends: 596 [2019-09-08 06:08:49,262 INFO L226 Difference]: Without dead ends: 297 [2019-09-08 06:08:49,267 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-09-08 06:08:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2019-09-08 06:08:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-09-08 06:08:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 348 transitions. [2019-09-08 06:08:49,311 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 348 transitions. Word has length 65 [2019-09-08 06:08:49,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:49,312 INFO L475 AbstractCegarLoop]: Abstraction has 297 states and 348 transitions. [2019-09-08 06:08:49,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 348 transitions. [2019-09-08 06:08:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:49,314 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:49,314 INFO L399 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] [2019-09-08 06:08:49,315 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:49,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:49,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1832330753, now seen corresponding path program 1 times [2019-09-08 06:08:49,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:49,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:49,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:49,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:49,963 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:50,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:50 BoogieIcfgContainer [2019-09-08 06:08:50,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:50,115 INFO L168 Benchmark]: Toolchain (without parser) took 4925.10 ms. Allocated memory was 141.0 MB in the beginning and 256.9 MB in the end (delta: 115.9 MB). Free memory was 88.4 MB in the beginning and 160.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 123.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,115 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 06:08:50,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.31 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 87.9 MB in the beginning and 166.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,117 INFO L168 Benchmark]: Boogie Preprocessor took 95.43 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,118 INFO L168 Benchmark]: RCFGBuilder took 1094.30 ms. Allocated memory was 202.9 MB in the beginning and 229.6 MB in the end (delta: 26.7 MB). Free memory was 163.4 MB in the beginning and 200.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,119 INFO L168 Benchmark]: TraceAbstraction took 2933.34 ms. Allocated memory was 229.6 MB in the beginning and 256.9 MB in the end (delta: 27.3 MB). Free memory was 198.8 MB in the beginning and 160.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 144.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.31 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 87.9 MB in the beginning and 166.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.43 ms. Allocated memory is still 202.9 MB. Free memory was 166.9 MB in the beginning and 163.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1094.30 ms. Allocated memory was 202.9 MB in the beginning and 229.6 MB in the end (delta: 26.7 MB). Free memory was 163.4 MB in the beginning and 200.4 MB in the end (delta: -37.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2933.34 ms. Allocated memory was 229.6 MB in the beginning and 256.9 MB in the end (delta: 27.3 MB). Free memory was 198.8 MB in the beginning and 160.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 144.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L606] int retValue_acc ; [L607] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L611] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L617] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L618] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L817] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L819] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L825] tmp = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L829] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L829] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___2)) [L853] tmp___1 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L864] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L684] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L699] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L646] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L652] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] tmp___0 = getWaterLevel() [L654] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] tmp___1 = isPumpRunning() [L658] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L662] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 552 SDtfs, 283 SDslu, 908 SDs, 0 SdLazy, 216 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=323occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 27840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...