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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:50,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:50,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:50,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:50,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:50,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:50,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:50,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:50,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:50,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:50,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:50,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:50,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:50,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:50,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:50,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:50,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:50,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:50,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:50,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:50,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:50,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:50,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:50,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:50,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:50,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:50,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:50,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:50,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:50,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:50,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:50,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:50,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:50,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:50,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:50,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:50,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:50,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:50,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:50,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:50,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:50,464 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 06:08:50,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:50,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:50,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:50,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:50,480 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:50,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:50,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:50,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:50,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:50,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:50,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:50,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:50,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:50,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:50,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:50,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:50,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:50,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:50,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:50,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:50,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:50,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:50,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:50,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:50,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:50,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:50,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:50,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:50,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:50,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:50,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:50,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:50,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:50,530 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:50,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2019-09-08 06:08:50,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c420321de/24b8364769844f249fa4cd3b5bd33fe6/FLAGb60d6f56f [2019-09-08 06:08:51,042 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:51,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2019-09-08 06:08:51,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c420321de/24b8364769844f249fa4cd3b5bd33fe6/FLAGb60d6f56f [2019-09-08 06:08:51,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c420321de/24b8364769844f249fa4cd3b5bd33fe6 [2019-09-08 06:08:51,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:51,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:51,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:51,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:51,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:51,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743d159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51, skipping insertion in model container [2019-09-08 06:08:51,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,425 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:51,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:51,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:51,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:52,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:52,082 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:52,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52 WrapperNode [2019-09-08 06:08:52,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:52,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:52,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:52,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:52,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (1/1) ... [2019-09-08 06:08:52,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:52,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:52,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:52,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:52,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (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 06:08:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-08 06:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:52,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:52,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:53,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:53,282 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:53,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:53 BoogieIcfgContainer [2019-09-08 06:08:53,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:53,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:53,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:53,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:53,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:51" (1/3) ... [2019-09-08 06:08:53,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f94314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:53, skipping insertion in model container [2019-09-08 06:08:53,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:52" (2/3) ... [2019-09-08 06:08:53,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f94314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:53, skipping insertion in model container [2019-09-08 06:08:53,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:53" (3/3) ... [2019-09-08 06:08:53,291 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2019-09-08 06:08:53,301 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:53,309 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:53,326 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:53,357 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:53,357 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:53,358 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:53,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:53,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:53,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:53,359 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:53,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:53,359 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-09-08 06:08:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:53,404 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:53,405 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 06:08:53,409 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:53,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:53,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1715921214, now seen corresponding path program 1 times [2019-09-08 06:08:53,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:53,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:53,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:53,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:53,807 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 06:08:53,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:53,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:53,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:53,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:53,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:53,833 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-09-08 06:08:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:53,874 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2019-09-08 06:08:53,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:53,876 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:53,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:53,891 INFO L225 Difference]: With dead ends: 200 [2019-09-08 06:08:53,891 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:53,896 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 06:08:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2019-09-08 06:08:53,958 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2019-09-08 06:08:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:53,958 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2019-09-08 06:08:53,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2019-09-08 06:08:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:53,963 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:53,963 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 06:08:53,964 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:53,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1789709038, now seen corresponding path program 1 times [2019-09-08 06:08:53,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:53,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:54,128 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 06:08:54,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:54,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:54,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:54,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:54,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:54,134 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states. [2019-09-08 06:08:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:54,172 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2019-09-08 06:08:54,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:54,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:54,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:54,176 INFO L225 Difference]: With dead ends: 136 [2019-09-08 06:08:54,176 INFO L226 Difference]: Without dead ends: 91 [2019-09-08 06:08:54,178 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 06:08:54,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-09-08 06:08:54,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-09-08 06:08:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-09-08 06:08:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2019-09-08 06:08:54,205 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2019-09-08 06:08:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:54,206 INFO L475 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2019-09-08 06:08:54,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2019-09-08 06:08:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:08:54,209 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:54,210 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 06:08:54,210 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:54,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:54,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1277285199, now seen corresponding path program 1 times [2019-09-08 06:08:54,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:54,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:54,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:54,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:54,379 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 06:08:54,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:54,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:54,381 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:54,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:54,381 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2019-09-08 06:08:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:54,704 INFO L93 Difference]: Finished difference Result 281 states and 336 transitions. [2019-09-08 06:08:54,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:54,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:08:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:54,708 INFO L225 Difference]: With dead ends: 281 [2019-09-08 06:08:54,708 INFO L226 Difference]: Without dead ends: 214 [2019-09-08 06:08:54,710 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 06:08:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-09-08 06:08:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2019-09-08 06:08:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-09-08 06:08:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2019-09-08 06:08:54,748 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2019-09-08 06:08:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:54,749 INFO L475 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2019-09-08 06:08:54,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2019-09-08 06:08:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:08:54,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:54,754 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 06:08:54,754 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:54,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2002784121, now seen corresponding path program 1 times [2019-09-08 06:08:54,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:54,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:54,897 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 06:08:54,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:54,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:54,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:54,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:54,899 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 6 states. [2019-09-08 06:08:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:55,099 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2019-09-08 06:08:55,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:55,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-08 06:08:55,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:55,104 INFO L225 Difference]: With dead ends: 495 [2019-09-08 06:08:55,104 INFO L226 Difference]: Without dead ends: 329 [2019-09-08 06:08:55,106 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 06:08:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-09-08 06:08:55,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2019-09-08 06:08:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-09-08 06:08:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 392 transitions. [2019-09-08 06:08:55,147 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 392 transitions. Word has length 61 [2019-09-08 06:08:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:55,148 INFO L475 AbstractCegarLoop]: Abstraction has 323 states and 392 transitions. [2019-09-08 06:08:55,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 392 transitions. [2019-09-08 06:08:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:55,150 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,150 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 06:08:55,151 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:55,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1296160083, now seen corresponding path program 1 times [2019-09-08 06:08:55,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:55,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:55,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:55,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:55,226 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 06:08:55,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:55,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:55,227 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:55,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:55,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:55,228 INFO L87 Difference]: Start difference. First operand 323 states and 392 transitions. Second operand 3 states. [2019-09-08 06:08:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:55,257 INFO L93 Difference]: Finished difference Result 596 states and 734 transitions. [2019-09-08 06:08:55,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:55,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-08 06:08:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:55,262 INFO L225 Difference]: With dead ends: 596 [2019-09-08 06:08:55,262 INFO L226 Difference]: Without dead ends: 297 [2019-09-08 06:08:55,264 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 06:08:55,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-09-08 06:08:55,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2019-09-08 06:08:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-09-08 06:08:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 348 transitions. [2019-09-08 06:08:55,302 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 348 transitions. Word has length 65 [2019-09-08 06:08:55,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:55,302 INFO L475 AbstractCegarLoop]: Abstraction has 297 states and 348 transitions. [2019-09-08 06:08:55,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 348 transitions. [2019-09-08 06:08:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:55,305 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,305 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 06:08:55,306 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash -423236225, now seen corresponding path program 1 times [2019-09-08 06:08:55,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:55,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:55,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:55,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:56,169 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:56,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:56 BoogieIcfgContainer [2019-09-08 06:08:56,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:56,334 INFO L168 Benchmark]: Toolchain (without parser) took 4923.95 ms. Allocated memory was 135.3 MB in the beginning and 256.9 MB in the end (delta: 121.6 MB). Free memory was 90.5 MB in the beginning and 127.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,336 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.66 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 168.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,339 INFO L168 Benchmark]: Boogie Preprocessor took 88.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,340 INFO L168 Benchmark]: RCFGBuilder took 1109.60 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 164.1 MB in the beginning and 201.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,342 INFO L168 Benchmark]: TraceAbstraction took 3046.59 ms. Allocated memory was 230.7 MB in the beginning and 256.9 MB in the end (delta: 26.2 MB). Free memory was 200.3 MB in the beginning and 127.6 MB in the end (delta: 72.7 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:56,351 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 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.66 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.3 MB in the beginning and 168.3 MB in the end (delta: -78.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.60 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 164.1 MB in the beginning and 201.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3046.59 ms. Allocated memory was 230.7 MB in the beginning and 256.9 MB in the end (delta: 26.2 MB). Free memory was 200.3 MB in the beginning and 127.6 MB in the end (delta: 72.7 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=167, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=147, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L864] 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] [L868] 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] [L869] 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] [L870] 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] [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] 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] [L870] 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] [L870] tmp = valid_product() [L872] 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] [L874] 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] [L875] 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] [L857] 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] [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] 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] [L94] 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] [L96] 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] [L102] tmp = __VERIFIER_nondet_int() [L104] 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] [L106] 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] [L324] COND TRUE waterLevel < 2 [L325] 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] [L106] 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] [L112] tmp___0 = __VERIFIER_nondet_int() [L114] 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] [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___2)) [L130] tmp___1 = __VERIFIER_nondet_int() [L132] 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] [L141] 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] [L165] 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] [L172] 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] [L174] 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] [L180] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] 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] [L51] 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] [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] 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] [L51] 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] [L51] tmp = isMethaneLevelCritical() [L53] 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] [L57] 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] [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] 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] [L57] 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] [L57] tmp___0 = getWaterLevel() [L59] 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] [L61] 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] [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] 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] [L61] 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] [L61] tmp___1 = isPumpRunning() [L63] 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] [L67] 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] [L890] __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 37 procedures, 214 locations, 1 error locations. UNSAFE Result, 2.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 552 SDtfs, 283 SDslu, 908 SDs, 0 SdLazy, 216 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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, 0.7s 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...