/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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:02,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:02,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:02,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:02,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:02,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:02,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:02,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:02,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:02,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:02,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:02,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:02,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:02,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:02,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:02,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:02,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:02,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:02,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:02,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:02,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:02,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:02,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:02,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:02,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:02,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:02,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:02,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:02,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:02,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:02,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:02,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:02,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:02,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:02,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:02,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:02,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:02,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:02,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:02,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:02,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:02,700 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 10:44:02,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:02,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:02,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:02,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:02,735 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:02,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:02,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:02,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:02,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:02,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:02,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:02,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:02,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:02,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:02,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:02,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:02,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:02,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:02,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:02,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:02,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:02,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:02,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:02,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:02,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:03,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:03,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:03,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:03,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:03,045 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:03,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-07-07 10:44:03,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2954074c/d366060888104b759f4058be76427855/FLAGe6f4d5556 [2020-07-07 10:44:03,605 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:03,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c [2020-07-07 10:44:03,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2954074c/d366060888104b759f4058be76427855/FLAGe6f4d5556 [2020-07-07 10:44:03,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2954074c/d366060888104b759f4058be76427855 [2020-07-07 10:44:03,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:03,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:03,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:03,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:03,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:03,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:03" (1/1) ... [2020-07-07 10:44:03,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eb6cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:03, skipping insertion in model container [2020-07-07 10:44:03,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:03" (1/1) ... [2020-07-07 10:44:03,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:03,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:04,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:04,432 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:04,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:04,537 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:04,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04 WrapperNode [2020-07-07 10:44:04,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:04,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:04,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:04,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:04,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (1/1) ... [2020-07-07 10:44:04,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:04,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:04,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:04,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:04,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (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 10:44:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:44:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:44:04,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:04,722 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:44:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:44:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:05,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:05,740 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:05,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:05 BoogieIcfgContainer [2020-07-07 10:44:05,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:05,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:05,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:05,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:05,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:03" (1/3) ... [2020-07-07 10:44:05,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6586dff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:05, skipping insertion in model container [2020-07-07 10:44:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:04" (2/3) ... [2020-07-07 10:44:05,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6586dff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:05, skipping insertion in model container [2020-07-07 10:44:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:05" (3/3) ... [2020-07-07 10:44:05,754 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2020-07-07 10:44:05,764 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:05,776 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:05,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:05,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:05,819 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:05,819 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:05,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:05,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:05,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:05,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:05,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-07-07 10:44:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:05,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:05,852 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 10:44:05,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:05,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1512575049, now seen corresponding path program 1 times [2020-07-07 10:44:05,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:05,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421327770] [2020-07-07 10:44:05,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,525 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:06,636 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 10:44:06,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421327770] [2020-07-07 10:44:06,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:06,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:06,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934674013] [2020-07-07 10:44:06,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:06,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:06,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:06,661 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 3 states. [2020-07-07 10:44:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:07,916 INFO L93 Difference]: Finished difference Result 305 states and 403 transitions. [2020-07-07 10:44:07,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:07,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:07,933 INFO L225 Difference]: With dead ends: 305 [2020-07-07 10:44:07,933 INFO L226 Difference]: Without dead ends: 165 [2020-07-07 10:44:07,938 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 [2020-07-07 10:44:07,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-07 10:44:08,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2020-07-07 10:44:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-07 10:44:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 156 transitions. [2020-07-07 10:44:08,032 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 156 transitions. Word has length 52 [2020-07-07 10:44:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:08,032 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 156 transitions. [2020-07-07 10:44:08,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-07-07 10:44:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:08,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:08,037 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 10:44:08,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:08,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:08,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:08,038 INFO L82 PathProgramCache]: Analyzing trace with hash -298039851, now seen corresponding path program 1 times [2020-07-07 10:44:08,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:08,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430249822] [2020-07-07 10:44:08,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,426 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:08,519 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 10:44:08,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430249822] [2020-07-07 10:44:08,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:08,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:08,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209481414] [2020-07-07 10:44:08,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:08,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:08,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:08,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:08,523 INFO L87 Difference]: Start difference. First operand 131 states and 156 transitions. Second operand 4 states. [2020-07-07 10:44:08,939 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:09,813 INFO L93 Difference]: Finished difference Result 232 states and 286 transitions. [2020-07-07 10:44:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:09,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:09,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:09,818 INFO L225 Difference]: With dead ends: 232 [2020-07-07 10:44:09,818 INFO L226 Difference]: Without dead ends: 149 [2020-07-07 10:44:09,820 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 [2020-07-07 10:44:09,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-07 10:44:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 122. [2020-07-07 10:44:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-07-07 10:44:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2020-07-07 10:44:09,866 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2020-07-07 10:44:09,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:09,867 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2020-07-07 10:44:09,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2020-07-07 10:44:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:44:09,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:09,870 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] [2020-07-07 10:44:09,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:09,870 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:09,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1680590552, now seen corresponding path program 1 times [2020-07-07 10:44:09,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:09,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996839996] [2020-07-07 10:44:09,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,189 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:10,275 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 10:44:10,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996839996] [2020-07-07 10:44:10,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:10,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:10,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001483300] [2020-07-07 10:44:10,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:10,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:10,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:10,279 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 8 states. [2020-07-07 10:44:10,696 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:11,009 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:11,267 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:11,536 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:12,240 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:14,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:14,138 INFO L93 Difference]: Finished difference Result 424 states and 531 transitions. [2020-07-07 10:44:14,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:44:14,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:44:14,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:14,144 INFO L225 Difference]: With dead ends: 424 [2020-07-07 10:44:14,144 INFO L226 Difference]: Without dead ends: 326 [2020-07-07 10:44:14,146 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 10:44:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-07 10:44:14,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 268. [2020-07-07 10:44:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-07 10:44:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 327 transitions. [2020-07-07 10:44:14,224 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 327 transitions. Word has length 57 [2020-07-07 10:44:14,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:14,224 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 327 transitions. [2020-07-07 10:44:14,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 327 transitions. [2020-07-07 10:44:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-07 10:44:14,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:14,228 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 10:44:14,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:14,229 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:14,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:14,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1676229378, now seen corresponding path program 1 times [2020-07-07 10:44:14,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:14,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048844322] [2020-07-07 10:44:14,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,566 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:14,667 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 10:44:14,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048844322] [2020-07-07 10:44:14,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:14,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:14,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139829688] [2020-07-07 10:44:14,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:14,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:14,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:14,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:14,670 INFO L87 Difference]: Start difference. First operand 268 states and 327 transitions. Second operand 8 states. [2020-07-07 10:44:15,036 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:16,378 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:16,724 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:17,018 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:17,268 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:17,978 INFO L93 Difference]: Finished difference Result 824 states and 1085 transitions. [2020-07-07 10:44:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:17,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-07 10:44:17,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:17,986 INFO L225 Difference]: With dead ends: 824 [2020-07-07 10:44:17,986 INFO L226 Difference]: Without dead ends: 580 [2020-07-07 10:44:17,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-07-07 10:44:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 513. [2020-07-07 10:44:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-07-07 10:44:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 641 transitions. [2020-07-07 10:44:18,131 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 641 transitions. Word has length 63 [2020-07-07 10:44:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:18,131 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 641 transitions. [2020-07-07 10:44:18,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 641 transitions. [2020-07-07 10:44:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-07 10:44:18,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:18,135 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 10:44:18,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:18,136 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:18,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1477650020, now seen corresponding path program 1 times [2020-07-07 10:44:18,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:18,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933236793] [2020-07-07 10:44:18,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:44:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:44:18,305 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:44:18,305 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:44:18,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:18,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:44:18 BoogieIcfgContainer [2020-07-07 10:44:18,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:44:18,459 INFO L168 Benchmark]: Toolchain (without parser) took 14590.24 ms. Allocated memory was 142.6 MB in the beginning and 485.0 MB in the end (delta: 342.4 MB). Free memory was 98.2 MB in the beginning and 392.0 MB in the end (delta: -293.8 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,460 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.27 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 168.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,461 INFO L168 Benchmark]: Boogie Preprocessor took 103.71 ms. Allocated memory is still 200.8 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,462 INFO L168 Benchmark]: RCFGBuilder took 1101.86 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 164.5 MB in the beginning and 195.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,463 INFO L168 Benchmark]: TraceAbstraction took 12709.78 ms. Allocated memory was 228.6 MB in the beginning and 485.0 MB in the end (delta: 256.4 MB). Free memory was 195.3 MB in the beginning and 392.0 MB in the end (delta: -196.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:44:18,467 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.27 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 168.8 MB in the end (delta: -70.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.71 ms. Allocated memory is still 200.8 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1101.86 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 164.5 MB in the beginning and 195.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12709.78 ms. Allocated memory was 228.6 MB in the beginning and 485.0 MB in the end (delta: 256.4 MB). Free memory was 195.3 MB in the beginning and 392.0 MB in the end (delta: -196.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 541]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L177] int pumpRunning = 0; [L178] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] int retValue_acc ; [L515] 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] [L519] 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] [L520] 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] [L521] 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] [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] 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] [L521] 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] [L521] tmp = valid_product() [L523] 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] [L525] 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] [L526] 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] [L505] 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] [L372] int splverifierCounter ; [L373] int tmp ; [L374] int tmp___0 ; [L375] int tmp___1 ; [L376] int tmp___2 ; [L379] 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] [L381] 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] [L383] 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] [L389] tmp = __VERIFIER_nondet_int() [L391] 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] [L393] 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] [L65] COND TRUE waterLevel < 2 [L66] 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] [L393] 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] [L399] tmp___0 = __VERIFIER_nondet_int() [L401] 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] [L409] tmp___2 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___2)) [L415] tmp___1 = __VERIFIER_nondet_int() [L417] 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] [L419] 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] [L358] 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] [L365] 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] [L419] 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] [L426] 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] [L184] 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] [L191] 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] [L199] 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] [L139] int tmp ; [L140] int tmp___0 ; [L141] 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] [L145] 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] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] 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] [L145] 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] [L145] tmp = isMethaneLevelCritical() [L147] 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] [L151] 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] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] 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] [L151] 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] [L151] tmp___0 = getWaterLevel() [L153] 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] [L155] 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] [L291] int retValue_acc ; [L294] retValue_acc = pumpRunning [L295] 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] [L155] 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] [L155] tmp___1 = isPumpRunning() [L157] 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] [L161] 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] [L541] __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 39 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 801 SDslu, 348 SDs, 0 SdLazy, 1919 SolverSat, 491 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred 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, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61524 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...