/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:24:06,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:24:06,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:24:06,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:24:06,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:24:06,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:24:06,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:24:06,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:24:06,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:24:06,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:24:06,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:24:06,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:24:06,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:24:06,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:24:06,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:24:06,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:24:06,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:24:06,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:24:06,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:24:06,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:24:06,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:24:06,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:24:06,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:24:06,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:24:06,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:24:06,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:24:06,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:24:06,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:24:06,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:24:06,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:24:06,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:24:06,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:24:06,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:24:06,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:24:06,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:24:06,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:24:06,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:24:06,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:24:06,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:24:06,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:24:06,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:24:06,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:24:06,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:24:06,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:24:06,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:24:06,581 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:24:06,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:24:06,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:24:06,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:24:06,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:24:06,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:24:06,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:24:06,584 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:24:06,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:24:06,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:24:06,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:24:06,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:24:06,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:24:06,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:24:06,585 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-08-22 21:24:06,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:24:06,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:24:06,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:24:06,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:24:06,894 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:24:06,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-08-22 21:24:06,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b317619be/33e7daec00f54ec981a1bccf302b9886/FLAGdbad890ef [2020-08-22 21:24:07,526 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:24:07,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2020-08-22 21:24:07,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b317619be/33e7daec00f54ec981a1bccf302b9886/FLAGdbad890ef [2020-08-22 21:24:07,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b317619be/33e7daec00f54ec981a1bccf302b9886 [2020-08-22 21:24:07,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:24:07,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:24:07,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:24:07,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:24:07,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:24:07,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:24:07" (1/1) ... [2020-08-22 21:24:07,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727dfabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:07, skipping insertion in model container [2020-08-22 21:24:07,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:24:07" (1/1) ... [2020-08-22 21:24:07,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:24:07,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:24:08,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:24:08,333 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:24:08,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:24:08,471 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:24:08,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08 WrapperNode [2020-08-22 21:24:08,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:24:08,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:24:08,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:24:08,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:24:08,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (1/1) ... [2020-08-22 21:24:08,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:24:08,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:24:08,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:24:08,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:24:08,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (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 [2020-08-22 21:24:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:24:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:24:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:24:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:24:08,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:24:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:24:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:24:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:24:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:24:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 21:24:08,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:24:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:24:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:24:08,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:24:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:24:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:24:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:24:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:24:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:24:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 21:24:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:24:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:24:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 21:24:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-22 21:24:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:24:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:24:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:24:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:24:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:24:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:24:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:24:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:24:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:24:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:24:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:24:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:24:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:24:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:24:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:24:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:24:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:24:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:24:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:24:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 21:24:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-22 21:24:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:24:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:24:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:24:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 21:24:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 21:24:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 21:24:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:24:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:24:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:24:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:24:10,084 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:24:10,084 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:24:10,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:24:10 BoogieIcfgContainer [2020-08-22 21:24:10,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:24:10,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:24:10,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:24:10,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:24:10,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:24:07" (1/3) ... [2020-08-22 21:24:10,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecf634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:24:10, skipping insertion in model container [2020-08-22 21:24:10,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:24:08" (2/3) ... [2020-08-22 21:24:10,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecf634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:24:10, skipping insertion in model container [2020-08-22 21:24:10,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:24:10" (3/3) ... [2020-08-22 21:24:10,106 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2020-08-22 21:24:10,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:24:10,131 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:24:10,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:24:10,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:24:10,169 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:24:10,169 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:24:10,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:24:10,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:24:10,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:24:10,170 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:24:10,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:24:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states. [2020-08-22 21:24:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-22 21:24:10,215 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:10,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:10,217 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:10,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1599034145, now seen corresponding path program 1 times [2020-08-22 21:24:10,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:10,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375125102] [2020-08-22 21:24:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,046 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:24:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:24:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:24:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:24:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:24:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:24:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:24:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:24:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:11,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375125102] [2020-08-22 21:24:11,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:11,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 21:24:11,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915321210] [2020-08-22 21:24:11,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 21:24:11,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:11,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 21:24:11,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:24:11,246 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 3 states. [2020-08-22 21:24:12,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:12,815 INFO L93 Difference]: Finished difference Result 567 states and 676 transitions. [2020-08-22 21:24:12,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 21:24:12,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-08-22 21:24:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:12,840 INFO L225 Difference]: With dead ends: 567 [2020-08-22 21:24:12,840 INFO L226 Difference]: Without dead ends: 343 [2020-08-22 21:24:12,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 21:24:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-08-22 21:24:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 298. [2020-08-22 21:24:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-22 21:24:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 328 transitions. [2020-08-22 21:24:13,123 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 328 transitions. Word has length 153 [2020-08-22 21:24:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:13,127 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 328 transitions. [2020-08-22 21:24:13,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 21:24:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 328 transitions. [2020-08-22 21:24:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-22 21:24:13,141 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:13,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:13,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:24:13,142 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:13,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1907459970, now seen corresponding path program 1 times [2020-08-22 21:24:13,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:13,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299673645] [2020-08-22 21:24:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,556 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:24:13,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:24:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:24:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:24:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:24:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-22 21:24:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 21:24:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-22 21:24:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:13,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299673645] [2020-08-22 21:24:13,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:13,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:24:13,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969944710] [2020-08-22 21:24:13,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:24:13,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:13,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:24:13,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:24:13,662 INFO L87 Difference]: Start difference. First operand 298 states and 328 transitions. Second operand 4 states. [2020-08-22 21:24:14,243 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:24:15,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:15,456 INFO L93 Difference]: Finished difference Result 478 states and 543 transitions. [2020-08-22 21:24:15,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:24:15,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-08-22 21:24:15,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:15,462 INFO L225 Difference]: With dead ends: 478 [2020-08-22 21:24:15,462 INFO L226 Difference]: Without dead ends: 326 [2020-08-22 21:24:15,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:24:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-08-22 21:24:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2020-08-22 21:24:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-08-22 21:24:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 315 transitions. [2020-08-22 21:24:15,551 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 315 transitions. Word has length 154 [2020-08-22 21:24:15,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:15,552 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 315 transitions. [2020-08-22 21:24:15,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:24:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 315 transitions. [2020-08-22 21:24:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-08-22 21:24:15,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:15,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:15,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:24:15,556 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:15,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:15,556 INFO L82 PathProgramCache]: Analyzing trace with hash -383907644, now seen corresponding path program 1 times [2020-08-22 21:24:15,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:15,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724407841] [2020-08-22 21:24:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:15,993 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:24:15,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:24:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:24:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:24:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:24:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 21:24:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-22 21:24:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 21:24:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:16,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724407841] [2020-08-22 21:24:16,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:16,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:24:16,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573784037] [2020-08-22 21:24:16,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:24:16,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:16,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:24:16,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:24:16,208 INFO L87 Difference]: Start difference. First operand 288 states and 315 transitions. Second operand 9 states. [2020-08-22 21:24:16,867 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:17,383 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:24:17,696 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:24:17,925 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:18,147 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:18,408 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:19,349 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:24:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:22,205 INFO L93 Difference]: Finished difference Result 790 states and 914 transitions. [2020-08-22 21:24:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 21:24:22,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-08-22 21:24:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:22,211 INFO L225 Difference]: With dead ends: 790 [2020-08-22 21:24:22,211 INFO L226 Difference]: Without dead ends: 612 [2020-08-22 21:24:22,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-08-22 21:24:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-08-22 21:24:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 541. [2020-08-22 21:24:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-08-22 21:24:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 610 transitions. [2020-08-22 21:24:22,400 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 610 transitions. Word has length 163 [2020-08-22 21:24:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:22,400 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 610 transitions. [2020-08-22 21:24:22,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:24:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 610 transitions. [2020-08-22 21:24:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-08-22 21:24:22,404 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:22,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:22,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:24:22,405 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:22,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:22,406 INFO L82 PathProgramCache]: Analyzing trace with hash 621095136, now seen corresponding path program 1 times [2020-08-22 21:24:22,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:22,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652479374] [2020-08-22 21:24:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,730 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 21:24:22,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:24:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 21:24:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 21:24:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 21:24:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 21:24:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-08-22 21:24:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-22 21:24:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-08-22 21:24:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 21:24:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:24:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:24:22,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652479374] [2020-08-22 21:24:22,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:24:22,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 21:24:22,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716806727] [2020-08-22 21:24:22,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 21:24:22,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:24:22,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 21:24:22,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 21:24:22,923 INFO L87 Difference]: Start difference. First operand 541 states and 610 transitions. Second operand 9 states. [2020-08-22 21:24:23,409 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:25,622 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:25,893 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:26,246 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:26,547 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 21:24:26,785 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:24:27,023 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:27,248 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 21:24:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:24:28,245 INFO L93 Difference]: Finished difference Result 1490 states and 1799 transitions. [2020-08-22 21:24:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 21:24:28,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-08-22 21:24:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:24:28,254 INFO L225 Difference]: With dead ends: 1490 [2020-08-22 21:24:28,254 INFO L226 Difference]: Without dead ends: 1059 [2020-08-22 21:24:28,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-08-22 21:24:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-08-22 21:24:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 955. [2020-08-22 21:24:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-08-22 21:24:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1103 transitions. [2020-08-22 21:24:28,524 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1103 transitions. Word has length 172 [2020-08-22 21:24:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:24:28,525 INFO L479 AbstractCegarLoop]: Abstraction has 955 states and 1103 transitions. [2020-08-22 21:24:28,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 21:24:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1103 transitions. [2020-08-22 21:24:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 21:24:28,530 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:24:28,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:24:28,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:24:28,531 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:24:28,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:24:28,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1515693883, now seen corresponding path program 1 times [2020-08-22 21:24:28,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:24:28,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411453902] [2020-08-22 21:24:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:24:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:24:28,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:24:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:24:28,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:24:28,809 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:24:28,809 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:24:28,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:24:29,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:24:29 BoogieIcfgContainer [2020-08-22 21:24:29,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:24:29,074 INFO L168 Benchmark]: Toolchain (without parser) took 21280.31 ms. Allocated memory was 139.5 MB in the beginning and 601.9 MB in the end (delta: 462.4 MB). Free memory was 102.7 MB in the beginning and 88.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 476.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,075 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.00 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,077 INFO L168 Benchmark]: Boogie Preprocessor took 119.28 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,078 INFO L168 Benchmark]: RCFGBuilder took 1502.14 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 172.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,079 INFO L168 Benchmark]: TraceAbstraction took 18973.21 ms. Allocated memory was 237.0 MB in the beginning and 601.9 MB in the end (delta: 364.9 MB). Free memory was 171.2 MB in the beginning and 88.3 MB in the end (delta: 82.9 MB). Peak memory consumption was 447.8 MB. Max. memory is 7.1 GB. [2020-08-22 21:24:29,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.00 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.28 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1502.14 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 172.7 MB in the end (delta: -4.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18973.21 ms. Allocated memory was 237.0 MB in the beginning and 601.9 MB in the end (delta: 364.9 MB). Free memory was 171.2 MB in the beginning and 88.3 MB in the end (delta: 82.9 MB). Peak memory consumption was 447.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 193]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=146, pumpRunning=135, systemActive=134, waterLevel=1] [L87] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=175, head={176:165}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=175, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L564] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L667] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=134, waterLevel=1] [L668] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L640] int retValue_acc ; 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] [L641] 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] [L645] 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] [L646] 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] [L647] 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] [L69] int retValue_acc ; 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] [L72] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L73] 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] [L647] 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] [L647] tmp = 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, tmp=1, valid_product()=1, waterLevel=1] [L649] 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] [L651] 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] [L652] 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] [L634] 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] [L941] int splverifierCounter ; 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] [L942] 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] [L943] int tmp___0 ; 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] [L944] int tmp___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=1] [L945] int tmp___2 ; 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] [L948] 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] [L950] 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] [L952] 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] [L958] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L960] 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] [L962] 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] [L104] COND TRUE waterLevel < 2 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] [L105] 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] [L962] 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] [L968] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L970] 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] [L978] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L980] COND FALSE !(\read(tmp___2)) 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___2=0, waterLevel=2] [L984] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=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] [L986] 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] [L988] 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] [L894] 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] [L901] 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] [L988] 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] [L995] 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] [L675] 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] [L682] 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] [L690] 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] [L907] int 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, waterLevel=2] [L908] int tmp___0 ; 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] [L909] 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] [L913] 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] [L125] int retValue_acc ; 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] [L128] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L129] 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] [L913] 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] [L913] tmp = 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, tmp=0, waterLevel=2] [L915] 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] [L919] 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] [L157] int retValue_acc ; 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] [L160] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L161] 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] [L919] 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] [L919] tmp___0 = 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, tmp___0=2, waterLevel=2] [L921] 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] [L923] 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] [L808] int retValue_acc ; 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] [L811] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L812] 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] [L923] 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] [L923] tmp___1 = 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, tmp___1=0, waterLevel=2] [L925] 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] [L929] 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] [L193] __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 42 procedures, 661 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1142 SDtfs, 1684 SDslu, 1308 SDs, 0 SdLazy, 3737 SolverSat, 566 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=955occurred 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: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 260764 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...