/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:50,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:50,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:50,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:50,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:50,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:50,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:50,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:50,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:50,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:50,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:50,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:50,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:50,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:50,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:50,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:50,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:50,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:50,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:50,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:50,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:50,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:50,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:50,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:50,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:50,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:50,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:50,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:50,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:50,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:50,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:50,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:50,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:50,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:50,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:50,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:50,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:50,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:50,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:50,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:50,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:50,474 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 [2020-07-07 10:44:50,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:50,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:50,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:50,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:50,514 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:50,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:50,515 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:50,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:50,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:50,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:50,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:50,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:50,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:50,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:50,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:50,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:50,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:50,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:50,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:50,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:50,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:50,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:50,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:50,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:50,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:50,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:50,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:50,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:50,826 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:50,826 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:50,827 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c [2020-07-07 10:44:50,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cac6bd33/1283c2a7c6f7402fb52f4e00be63c43e/FLAGb89831d2f [2020-07-07 10:44:51,420 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:51,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product60.cil.c [2020-07-07 10:44:51,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cac6bd33/1283c2a7c6f7402fb52f4e00be63c43e/FLAGb89831d2f [2020-07-07 10:44:51,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cac6bd33/1283c2a7c6f7402fb52f4e00be63c43e [2020-07-07 10:44:51,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:51,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:51,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:51,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:51,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:51,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:51" (1/1) ... [2020-07-07 10:44:51,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc0375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:51, skipping insertion in model container [2020-07-07 10:44:51,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:51" (1/1) ... [2020-07-07 10:44:51,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:51,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:52,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:52,387 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:52,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:52,535 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:52,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52 WrapperNode [2020-07-07 10:44:52,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:52,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:52,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:52,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:52,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (1/1) ... [2020-07-07 10:44:52,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:52,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:52,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:52,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:52,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (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 [2020-07-07 10:44:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:44:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:44:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:44:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:44:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:44:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:44:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:44:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:53,844 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:53,845 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:53,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:53 BoogieIcfgContainer [2020-07-07 10:44:53,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:53,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:53,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:53,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:53,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:51" (1/3) ... [2020-07-07 10:44:53,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8c2f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:53, skipping insertion in model container [2020-07-07 10:44:53,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:52" (2/3) ... [2020-07-07 10:44:53,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8c2f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:53, skipping insertion in model container [2020-07-07 10:44:53,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:53" (3/3) ... [2020-07-07 10:44:53,858 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c [2020-07-07 10:44:53,869 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:53,877 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:53,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:53,917 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:53,917 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:53,917 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:53,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:53,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:53,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:53,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:53,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-07 10:44:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:53,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:53,954 INFO L422 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] [2020-07-07 10:44:53,955 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:53,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1529441714, now seen corresponding path program 1 times [2020-07-07 10:44:53,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:53,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133327231] [2020-07-07 10:44:53,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,741 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:54,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133327231] [2020-07-07 10:44:54,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:54,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:54,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547783925] [2020-07-07 10:44:54,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:54,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:54,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:54,851 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-07-07 10:44:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:56,289 INFO L93 Difference]: Finished difference Result 358 states and 461 transitions. [2020-07-07 10:44:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:56,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:56,305 INFO L225 Difference]: With dead ends: 358 [2020-07-07 10:44:56,305 INFO L226 Difference]: Without dead ends: 193 [2020-07-07 10:44:56,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-07 10:44:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 156. [2020-07-07 10:44:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-07 10:44:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-07-07 10:44:56,416 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 52 [2020-07-07 10:44:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:56,417 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-07-07 10:44:56,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-07-07 10:44:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:56,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:56,427 INFO L422 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] [2020-07-07 10:44:56,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:56,428 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2080089166, now seen corresponding path program 1 times [2020-07-07 10:44:56,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:56,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896904175] [2020-07-07 10:44:56,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,834 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:56,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896904175] [2020-07-07 10:44:56,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:56,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:56,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954870461] [2020-07-07 10:44:56,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:56,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:56,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:56,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:56,903 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 4 states. [2020-07-07 10:44:57,393 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:58,450 INFO L93 Difference]: Finished difference Result 281 states and 340 transitions. [2020-07-07 10:44:58,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:58,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:58,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:58,468 INFO L225 Difference]: With dead ends: 281 [2020-07-07 10:44:58,468 INFO L226 Difference]: Without dead ends: 177 [2020-07-07 10:44:58,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:44:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-07 10:44:58,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2020-07-07 10:44:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-07 10:44:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2020-07-07 10:44:58,547 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 53 [2020-07-07 10:44:58,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:58,548 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2020-07-07 10:44:58,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2020-07-07 10:44:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-07 10:44:58,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:58,555 INFO L422 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] [2020-07-07 10:44:58,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:58,556 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:58,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1856420908, now seen corresponding path program 1 times [2020-07-07 10:44:58,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:58,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076066007] [2020-07-07 10:44:58,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,924 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:59,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076066007] [2020-07-07 10:44:59,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:59,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:59,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637429896] [2020-07-07 10:44:59,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:59,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:59,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:59,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:59,035 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 8 states. [2020-07-07 10:44:59,466 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:59,780 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:00,030 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:00,285 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:00,993 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:03,434 INFO L93 Difference]: Finished difference Result 506 states and 621 transitions. [2020-07-07 10:45:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:45:03,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-07 10:45:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:03,441 INFO L225 Difference]: With dead ends: 506 [2020-07-07 10:45:03,441 INFO L226 Difference]: Without dead ends: 383 [2020-07-07 10:45:03,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-07 10:45:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 314. [2020-07-07 10:45:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-07-07 10:45:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 377 transitions. [2020-07-07 10:45:03,520 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 377 transitions. Word has length 58 [2020-07-07 10:45:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:03,520 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 377 transitions. [2020-07-07 10:45:03,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 377 transitions. [2020-07-07 10:45:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-07 10:45:03,522 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:03,523 INFO L422 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] [2020-07-07 10:45:03,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:03,523 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:03,524 INFO L82 PathProgramCache]: Analyzing trace with hash 425111279, now seen corresponding path program 1 times [2020-07-07 10:45:03,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:03,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922615291] [2020-07-07 10:45:03,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,901 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:04,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922615291] [2020-07-07 10:45:04,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:04,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:45:04,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459554750] [2020-07-07 10:45:04,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:45:04,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:04,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:45:04,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:45:04,011 INFO L87 Difference]: Start difference. First operand 314 states and 377 transitions. Second operand 9 states. [2020-07-07 10:45:04,399 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:05,990 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:06,337 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:06,622 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:06,925 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:07,294 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:08,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:08,317 INFO L93 Difference]: Finished difference Result 999 states and 1333 transitions. [2020-07-07 10:45:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:45:08,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-07-07 10:45:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:08,329 INFO L225 Difference]: With dead ends: 999 [2020-07-07 10:45:08,329 INFO L226 Difference]: Without dead ends: 709 [2020-07-07 10:45:08,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:45:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2020-07-07 10:45:08,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 593. [2020-07-07 10:45:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-07-07 10:45:08,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 731 transitions. [2020-07-07 10:45:08,464 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 731 transitions. Word has length 63 [2020-07-07 10:45:08,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:08,465 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 731 transitions. [2020-07-07 10:45:08,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:45:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 731 transitions. [2020-07-07 10:45:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-07 10:45:08,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:08,469 INFO L422 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] [2020-07-07 10:45:08,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:45:08,469 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:08,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:08,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1610113419, now seen corresponding path program 1 times [2020-07-07 10:45:08,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:08,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406648584] [2020-07-07 10:45:08,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:45:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:45:08,696 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:45:08,696 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:45:08,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:45:08,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:08 BoogieIcfgContainer [2020-07-07 10:45:08,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:08,847 INFO L168 Benchmark]: Toolchain (without parser) took 17120.47 ms. Allocated memory was 146.8 MB in the beginning and 477.6 MB in the end (delta: 330.8 MB). Free memory was 104.1 MB in the beginning and 278.8 MB in the end (delta: -174.7 MB). Peak memory consumption was 156.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,848 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.68 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.9 MB in the beginning and 170.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,849 INFO L168 Benchmark]: Boogie Preprocessor took 102.57 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,850 INFO L168 Benchmark]: RCFGBuilder took 1211.32 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 166.9 MB in the beginning and 187.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,851 INFO L168 Benchmark]: TraceAbstraction took 14993.62 ms. Allocated memory was 234.4 MB in the beginning and 477.6 MB in the end (delta: 243.3 MB). Free memory was 187.3 MB in the beginning and 278.8 MB in the end (delta: -91.4 MB). Peak memory consumption was 151.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:08,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.68 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.9 MB in the beginning and 170.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.57 ms. Allocated memory is still 203.9 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.32 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 166.9 MB in the beginning and 187.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14993.62 ms. Allocated memory was 234.4 MB in the beginning and 477.6 MB in the end (delta: 243.3 MB). Free memory was 187.3 MB in the beginning and 278.8 MB in the end (delta: -91.4 MB). Peak memory consumption was 151.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 769]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L812] int waterLevel = 1; [L813] int methaneLevelCritical = 0; [L915] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=168, \old(methaneLevelCritical)=151, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L988] int retValue_acc ; [L989] 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] [L993] 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] [L994] 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] [L995] 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] [L803] int retValue_acc ; [L806] retValue_acc = 1 [L807] 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] [L995] 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] [L995] tmp = valid_product() [L997] 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] [L999] 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] [L1000] 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] [L982] 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] [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] 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] [L56] 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] [L58] 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] [L64] tmp = __VERIFIER_nondet_int() [L66] 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] [L68] 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] [L830] COND TRUE waterLevel < 2 [L831] 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] [L68] 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] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] 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] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] 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=1, tmp___2=0, waterLevel=2] [L96] 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] [L343] 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] [L350] 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] [L96] 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=1, tmp___2=0, waterLevel=2] [L103] 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] [L132] 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] [L139] 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] [L147] 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] [L366] int tmp ; [L367] int tmp___0 ; [L368] 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] [L372] 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] [L851] int retValue_acc ; [L854] retValue_acc = methaneLevelCritical [L855] 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] [L372] 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] [L372] tmp = isMethaneLevelCritical() [L374] 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] [L378] 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] [L883] int retValue_acc ; [L886] retValue_acc = waterLevel [L887] 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] [L378] 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] [L378] tmp___0 = getWaterLevel() [L380] 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] [L382] 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] [L257] int retValue_acc ; [L260] retValue_acc = pumpRunning [L261] 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] [L382] 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] [L382] tmp___1 = isPumpRunning() [L384] 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] [L388] 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] [L769] __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 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 589 SDtfs, 1077 SDslu, 455 SDs, 0 SdLazy, 2445 SolverSat, 635 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=593occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 252 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 64042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...