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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:55,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:55,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:55,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:55,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:55,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:55,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:55,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:55,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:55,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:55,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:55,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:55,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:55,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:55,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:55,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:55,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:55,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:55,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:55,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:55,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:55,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:55,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:55,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:55,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:55,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:55,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:55,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:55,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:55,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:55,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:55,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:55,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:55,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:55,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:55,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:55,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:55,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:55,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:55,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:55,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:55,374 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 06:08:55,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:55,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:55,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:55,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:55,390 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:55,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:55,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:55,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:55,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:55,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:55,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:55,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:55,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:55,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:55,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:55,393 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:55,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:55,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:55,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:55,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:55,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:55,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:55,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:55,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:55,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:55,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:55,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:55,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:55,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:55,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:55,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:55,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:55,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:55,470 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:55,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2019-09-08 06:08:55,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02536aa7/a75f457309224a51b162346bd64ae66b/FLAG967c8163c [2019-09-08 06:08:56,052 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:56,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2019-09-08 06:08:56,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02536aa7/a75f457309224a51b162346bd64ae66b/FLAG967c8163c [2019-09-08 06:08:56,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02536aa7/a75f457309224a51b162346bd64ae66b [2019-09-08 06:08:56,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:56,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:56,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:56,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:56,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:56,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:56,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc6461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56, skipping insertion in model container [2019-09-08 06:08:56,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:56,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:56,415 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:56,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:56,868 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:56,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:56,992 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:56,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56 WrapperNode [2019-09-08 06:08:56,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:56,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:56,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:56,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:57,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (1/1) ... [2019-09-08 06:08:57,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:57,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:57,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:57,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:57,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (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 06:08:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:08:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:08:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:58,239 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:58,239 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:58,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:58 BoogieIcfgContainer [2019-09-08 06:08:58,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:58,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:58,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:58,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:58,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:56" (1/3) ... [2019-09-08 06:08:58,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22af2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:58, skipping insertion in model container [2019-09-08 06:08:58,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:56" (2/3) ... [2019-09-08 06:08:58,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22af2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:58, skipping insertion in model container [2019-09-08 06:08:58,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:58" (3/3) ... [2019-09-08 06:08:58,249 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2019-09-08 06:08:58,260 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:58,269 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:58,286 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:58,329 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:58,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:58,330 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:58,330 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:58,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:58,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:58,331 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:58,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:58,331 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-09-08 06:08:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:58,364 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:58,366 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 06:08:58,368 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:58,375 INFO L82 PathProgramCache]: Analyzing trace with hash 506531791, now seen corresponding path program 1 times [2019-09-08 06:08:58,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:58,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:58,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:58,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:58,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:58,772 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 06:08:58,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:58,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:58,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:58,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:58,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:58,799 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2019-09-08 06:08:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:58,870 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions. [2019-09-08 06:08:58,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:58,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:58,895 INFO L225 Difference]: With dead ends: 232 [2019-09-08 06:08:58,896 INFO L226 Difference]: Without dead ends: 116 [2019-09-08 06:08:58,904 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 06:08:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-08 06:08:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-08 06:08:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-08 06:08:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2019-09-08 06:08:58,990 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52 [2019-09-08 06:08:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:58,991 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2019-09-08 06:08:58,991 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2019-09-08 06:08:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:59,001 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:59,002 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 06:08:59,002 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:59,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:59,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1226284601, now seen corresponding path program 1 times [2019-09-08 06:08:59,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:59,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:59,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:59,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:59,161 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 06:08:59,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:59,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:59,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:59,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:59,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:59,165 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 3 states. [2019-09-08 06:08:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:59,185 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2019-09-08 06:08:59,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:59,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:59,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:59,188 INFO L225 Difference]: With dead ends: 175 [2019-09-08 06:08:59,188 INFO L226 Difference]: Without dead ends: 107 [2019-09-08 06:08:59,190 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 06:08:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-09-08 06:08:59,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-09-08 06:08:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-09-08 06:08:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2019-09-08 06:08:59,202 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2019-09-08 06:08:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:59,203 INFO L475 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2019-09-08 06:08:59,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2019-09-08 06:08:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:08:59,205 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:59,205 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] [2019-09-08 06:08:59,205 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:59,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:59,206 INFO L82 PathProgramCache]: Analyzing trace with hash -860632419, now seen corresponding path program 1 times [2019-09-08 06:08:59,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:59,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:59,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:59,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:59,348 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 06:08:59,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:59,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:59,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:59,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:59,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:59,349 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 7 states. [2019-09-08 06:08:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:59,752 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2019-09-08 06:08:59,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:59,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-08 06:08:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:59,757 INFO L225 Difference]: With dead ends: 329 [2019-09-08 06:08:59,758 INFO L226 Difference]: Without dead ends: 246 [2019-09-08 06:08:59,759 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 06:08:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-09-08 06:08:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2019-09-08 06:08:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 06:08:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 287 transitions. [2019-09-08 06:08:59,794 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 287 transitions. Word has length 57 [2019-09-08 06:08:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:59,794 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 287 transitions. [2019-09-08 06:08:59,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 287 transitions. [2019-09-08 06:08:59,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 06:08:59,797 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:59,797 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] [2019-09-08 06:08:59,798 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:59,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:59,798 INFO L82 PathProgramCache]: Analyzing trace with hash -792004887, now seen corresponding path program 1 times [2019-09-08 06:08:59,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:59,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:59,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:59,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:59,929 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 06:08:59,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:59,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:59,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:59,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:59,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:59,930 INFO L87 Difference]: Start difference. First operand 238 states and 287 transitions. Second operand 6 states. [2019-09-08 06:09:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:00,140 INFO L93 Difference]: Finished difference Result 639 states and 807 transitions. [2019-09-08 06:09:00,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:09:00,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-09-08 06:09:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:00,145 INFO L225 Difference]: With dead ends: 639 [2019-09-08 06:09:00,146 INFO L226 Difference]: Without dead ends: 425 [2019-09-08 06:09:00,148 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 06:09:00,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-09-08 06:09:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2019-09-08 06:09:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-08 06:09:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 516 transitions. [2019-09-08 06:09:00,190 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 516 transitions. Word has length 63 [2019-09-08 06:09:00,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:00,191 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 516 transitions. [2019-09-08 06:09:00,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:09:00,191 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 516 transitions. [2019-09-08 06:09:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:00,193 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:00,194 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, 1, 1] [2019-09-08 06:09:00,194 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash -328985137, now seen corresponding path program 1 times [2019-09-08 06:09:00,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:00,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:00,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:00,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:00,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:09:00,287 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 06:09:00,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:09:00,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:09:00,288 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:09:00,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:09:00,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:09:00,289 INFO L87 Difference]: Start difference. First operand 419 states and 516 transitions. Second operand 4 states. [2019-09-08 06:09:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:09:00,442 INFO L93 Difference]: Finished difference Result 712 states and 901 transitions. [2019-09-08 06:09:00,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 06:09:00,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2019-09-08 06:09:00,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:09:00,448 INFO L225 Difference]: With dead ends: 712 [2019-09-08 06:09:00,448 INFO L226 Difference]: Without dead ends: 317 [2019-09-08 06:09:00,450 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:09:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-09-08 06:09:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 309. [2019-09-08 06:09:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-09-08 06:09:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 360 transitions. [2019-09-08 06:09:00,491 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 360 transitions. Word has length 67 [2019-09-08 06:09:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:09:00,492 INFO L475 AbstractCegarLoop]: Abstraction has 309 states and 360 transitions. [2019-09-08 06:09:00,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:09:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 360 transitions. [2019-09-08 06:09:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 06:09:00,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:09:00,494 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, 1, 1] [2019-09-08 06:09:00,495 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:09:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:09:00,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1802868975, now seen corresponding path program 1 times [2019-09-08 06:09:00,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:09:00,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:09:00,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:00,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:09:00,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:09:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:09:01,340 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:09:01,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:09:01 BoogieIcfgContainer [2019-09-08 06:09:01,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:09:01,455 INFO L168 Benchmark]: Toolchain (without parser) took 5115.85 ms. Allocated memory was 141.6 MB in the beginning and 256.4 MB in the end (delta: 114.8 MB). Free memory was 88.8 MB in the beginning and 121.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,456 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.65 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 88.6 MB in the beginning and 168.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,458 INFO L168 Benchmark]: Boogie Preprocessor took 101.92 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,459 INFO L168 Benchmark]: RCFGBuilder took 1145.23 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 164.1 MB in the beginning and 197.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,460 INFO L168 Benchmark]: TraceAbstraction took 3210.54 ms. Allocated memory was 229.1 MB in the beginning and 256.4 MB in the end (delta: 27.3 MB). Free memory was 197.1 MB in the beginning and 121.4 MB in the end (delta: 75.7 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:09:01,464 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 141.6 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.65 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 88.6 MB in the beginning and 168.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.92 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 164.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1145.23 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 164.1 MB in the beginning and 197.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3210.54 ms. Allocated memory was 229.1 MB in the beginning and 256.4 MB in the end (delta: 27.3 MB). Free memory was 197.1 MB in the beginning and 121.4 MB in the end (delta: 75.7 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L293] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int cleanupTimeShifts = 4; [L594] int waterLevel = 1; [L595] int methaneLevelCritical = 0; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L568] int retValue_acc ; [L569] 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] [L573] 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] [L574] 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] [L575] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L575] 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] [L575] tmp = valid_product() [L577] 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] [L579] 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] [L580] 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] [L562] 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] [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] 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] [L694] 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] [L696] 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] [L702] tmp = __VERIFIER_nondet_int() [L704] 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] [L706] 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] [L612] COND TRUE waterLevel < 2 [L613] 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] [L706] 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] [L712] tmp___0 = __VERIFIER_nondet_int() [L714] 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] [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___2)) [L728] tmp___1 = __VERIFIER_nondet_int() [L730] COND TRUE \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=8, tmp___2=0, waterLevel=2] [L732] CALL stopSystem() 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] [L908] COND FALSE !(\read(pumpRunning)) 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] [L915] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L732] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=8, tmp___2=0, waterLevel=2] [L739] 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=0, waterLevel=2] [L760] 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=0, waterLevel=2] [L767] COND FALSE !(\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=0, waterLevel=2] [L775] 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=0, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] 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=0, waterLevel=2] [L97] 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=0, waterLevel=2] [L633] int retValue_acc ; [L636] retValue_acc = methaneLevelCritical [L637] 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=0, waterLevel=2] [L97] 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=0, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] 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=0, tmp=0, waterLevel=2] [L103] 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=0, waterLevel=2] [L665] int retValue_acc ; [L668] retValue_acc = waterLevel [L669] 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=0, waterLevel=2] [L103] 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=0, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L107] 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=0, waterLevel=2] [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] 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=0, waterLevel=2] [L107] 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=0, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] 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=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] 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=0, waterLevel=2] [L44] __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=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 223 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 652 SDtfs, 380 SDslu, 1150 SDs, 0 SdLazy, 275 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=419occurred 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, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 28893 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...