/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:32:10,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:32:10,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:32:10,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:32:10,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:32:10,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:32:10,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:32:10,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:32:10,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:32:10,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:32:10,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:32:10,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:32:10,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:32:10,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:32:10,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:32:10,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:32:10,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:32:10,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:32:10,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:32:10,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:32:10,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:32:10,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:32:10,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:32:10,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:32:10,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:32:10,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:32:10,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:32:10,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:32:10,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:32:10,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:32:10,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:32:10,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:32:10,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:32:10,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:32:10,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:32:10,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:32:10,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:32:10,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:32:10,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:32:10,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:32:10,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:32:10,634 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 [2020-07-17 11:32:10,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:32:10,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:32:10,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:32:10,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:32:10,651 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:32:10,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:32:10,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:32:10,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:32:10,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:32:10,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:32:10,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:32:10,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:32:10,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:32:10,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:32:10,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:32:10,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:32:10,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:32:10,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:32:10,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:32:10,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:32:10,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:32:10,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:32:10,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:32:10,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:32:10,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:32:10,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:32:10,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:32:10,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:32:10,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:32:10,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:32:10,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:32:10,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:32:10,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:32:10,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:32:10,956 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:32:10,957 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2020-07-17 11:32:11,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e2fc839/1ae99f13aa09406fb8aa31aeba23e364/FLAGef0de373e [2020-07-17 11:32:11,537 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:32:11,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2020-07-17 11:32:11,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e2fc839/1ae99f13aa09406fb8aa31aeba23e364/FLAGef0de373e [2020-07-17 11:32:11,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e2fc839/1ae99f13aa09406fb8aa31aeba23e364 [2020-07-17 11:32:11,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:32:11,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:32:11,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:32:11,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:32:11,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:32:11,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:32:11" (1/1) ... [2020-07-17 11:32:11,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623a5d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:11, skipping insertion in model container [2020-07-17 11:32:11,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:32:11" (1/1) ... [2020-07-17 11:32:11,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:32:11,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:32:12,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:32:12,352 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:32:12,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:32:12,490 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:32:12,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12 WrapperNode [2020-07-17 11:32:12,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:32:12,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:32:12,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:32:12,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:32:12,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (1/1) ... [2020-07-17 11:32:12,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:32:12,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:32:12,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:32:12,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:32:12,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (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 [2020-07-17 11:32:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:32:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:32:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:32:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:32:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:32:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:32:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:32:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:32:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:32:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:32:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:32:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:32:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:32:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:32:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:32:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:32:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:32:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:32:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:32:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:32:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:32:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:32:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:32:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:32:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:32:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:32:13,773 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:32:13,774 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:32:13,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:32:13 BoogieIcfgContainer [2020-07-17 11:32:13,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:32:13,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:32:13,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:32:13,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:32:13,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:32:11" (1/3) ... [2020-07-17 11:32:13,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721749a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:32:13, skipping insertion in model container [2020-07-17 11:32:13,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:12" (2/3) ... [2020-07-17 11:32:13,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721749a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:32:13, skipping insertion in model container [2020-07-17 11:32:13,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:32:13" (3/3) ... [2020-07-17 11:32:13,793 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.c [2020-07-17 11:32:13,804 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:32:13,812 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:32:13,828 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:32:13,861 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:32:13,861 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:32:13,862 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:32:13,862 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:32:13,862 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:32:13,862 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:32:13,862 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:32:13,862 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:32:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-17 11:32:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:32:13,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:13,895 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] [2020-07-17 11:32:13,896 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:13,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:13,902 INFO L82 PathProgramCache]: Analyzing trace with hash -527888635, now seen corresponding path program 1 times [2020-07-17 11:32:13,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:13,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872562932] [2020-07-17 11:32:13,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,611 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:14,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872562932] [2020-07-17 11:32:14,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:14,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:32:14,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306177264] [2020-07-17 11:32:14,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:32:14,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:14,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:32:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:32:14,790 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-07-17 11:32:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:15,865 INFO L93 Difference]: Finished difference Result 273 states and 360 transitions. [2020-07-17 11:32:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:32:15,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 11:32:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:15,882 INFO L225 Difference]: With dead ends: 273 [2020-07-17 11:32:15,882 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 11:32:15,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:32:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 11:32:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2020-07-17 11:32:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-17 11:32:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-07-17 11:32:15,972 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52 [2020-07-17 11:32:15,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:15,972 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-07-17 11:32:15,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:32:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-07-17 11:32:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 11:32:15,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:15,976 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] [2020-07-17 11:32:15,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:32:15,977 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:15,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:15,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1019297795, now seen corresponding path program 1 times [2020-07-17 11:32:15,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:15,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479643545] [2020-07-17 11:32:15,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,320 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:16,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479643545] [2020-07-17 11:32:16,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:16,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:32:16,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841980951] [2020-07-17 11:32:16,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:32:16,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:16,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:32:16,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:32:16,364 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 4 states. [2020-07-17 11:32:16,744 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:17,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:17,406 INFO L93 Difference]: Finished difference Result 200 states and 243 transitions. [2020-07-17 11:32:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:32:17,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 11:32:17,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:17,410 INFO L225 Difference]: With dead ends: 200 [2020-07-17 11:32:17,410 INFO L226 Difference]: Without dead ends: 132 [2020-07-17 11:32:17,412 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 [2020-07-17 11:32:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-17 11:32:17,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 107. [2020-07-17 11:32:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-17 11:32:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2020-07-17 11:32:17,449 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2020-07-17 11:32:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:17,451 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2020-07-17 11:32:17,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:32:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-07-17 11:32:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:32:17,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:17,459 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] [2020-07-17 11:32:17,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:32:17,459 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:17,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:17,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1975816461, now seen corresponding path program 1 times [2020-07-17 11:32:17,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:17,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367113256] [2020-07-17 11:32:17,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,848 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:17,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367113256] [2020-07-17 11:32:17,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:17,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:32:17,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894436833] [2020-07-17 11:32:17,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:17,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:17,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:32:17,941 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 8 states. [2020-07-17 11:32:18,328 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:18,616 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:32:18,831 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:19,085 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:19,826 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:21,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:21,406 INFO L93 Difference]: Finished difference Result 375 states and 465 transitions. [2020-07-17 11:32:21,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:32:21,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 11:32:21,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:21,412 INFO L225 Difference]: With dead ends: 375 [2020-07-17 11:32:21,412 INFO L226 Difference]: Without dead ends: 292 [2020-07-17 11:32:21,413 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 [2020-07-17 11:32:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-17 11:32:21,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 238. [2020-07-17 11:32:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-17 11:32:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 287 transitions. [2020-07-17 11:32:21,483 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 287 transitions. Word has length 57 [2020-07-17 11:32:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:21,483 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 287 transitions. [2020-07-17 11:32:21,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 287 transitions. [2020-07-17 11:32:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 11:32:21,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:21,486 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] [2020-07-17 11:32:21,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:32:21,487 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:21,487 INFO L82 PathProgramCache]: Analyzing trace with hash -872029399, now seen corresponding path program 1 times [2020-07-17 11:32:21,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:21,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371757333] [2020-07-17 11:32:21,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,790 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:21,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371757333] [2020-07-17 11:32:21,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:21,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:32:21,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377928134] [2020-07-17 11:32:21,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:21,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:21,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:21,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:32:21,889 INFO L87 Difference]: Start difference. First operand 238 states and 287 transitions. Second operand 8 states. [2020-07-17 11:32:22,298 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:23,619 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:23,949 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:24,231 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:24,485 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:25,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:25,091 INFO L93 Difference]: Finished difference Result 726 states and 953 transitions. [2020-07-17 11:32:25,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 11:32:25,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 11:32:25,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:25,099 INFO L225 Difference]: With dead ends: 726 [2020-07-17 11:32:25,099 INFO L226 Difference]: Without dead ends: 512 [2020-07-17 11:32:25,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:32:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-07-17 11:32:25,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 449. [2020-07-17 11:32:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-07-17 11:32:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 555 transitions. [2020-07-17 11:32:25,243 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 555 transitions. Word has length 63 [2020-07-17 11:32:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:25,245 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 555 transitions. [2020-07-17 11:32:25,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 555 transitions. [2020-07-17 11:32:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 11:32:25,250 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:25,250 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] [2020-07-17 11:32:25,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:32:25,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:25,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1867456273, now seen corresponding path program 1 times [2020-07-17 11:32:25,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:25,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688570190] [2020-07-17 11:32:25,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:32:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:32:25,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 11:32:25,477 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 11:32:25,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:32:25,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:32:25 BoogieIcfgContainer [2020-07-17 11:32:25,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:32:25,592 INFO L168 Benchmark]: Toolchain (without parser) took 13745.76 ms. Allocated memory was 145.8 MB in the beginning and 469.2 MB in the end (delta: 323.5 MB). Free memory was 102.7 MB in the beginning and 367.8 MB in the end (delta: -265.1 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,593 INFO L168 Benchmark]: CDTParser took 1.39 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.94 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,595 INFO L168 Benchmark]: Boogie Preprocessor took 93.68 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 168.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,596 INFO L168 Benchmark]: RCFGBuilder took 1197.09 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.0 MB in the beginning and 199.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,597 INFO L168 Benchmark]: TraceAbstraction took 11805.79 ms. Allocated memory was 237.0 MB in the beginning and 469.2 MB in the end (delta: 232.3 MB). Free memory was 197.8 MB in the beginning and 367.8 MB in the end (delta: -169.9 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:32:25,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.94 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.68 ms. Allocated memory is still 202.9 MB. Free memory was 173.1 MB in the beginning and 168.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1197.09 ms. Allocated memory was 202.9 MB in the beginning and 237.0 MB in the end (delta: 34.1 MB). Free memory was 168.0 MB in the beginning and 199.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11805.79 ms. Allocated memory was 237.0 MB in the beginning and 469.2 MB in the end (delta: 232.3 MB). Free memory was 197.8 MB in the beginning and 367.8 MB in the end (delta: -169.9 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 346]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L917] int retValue_acc ; [L918] 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] [L922] 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] [L923] 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] [L924] 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] [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] 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] [L924] 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] [L924] tmp = valid_product() [L926] 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] [L928] 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] [L929] 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] [L911] 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] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] 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] [L55] 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] [L57] 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] [L63] tmp = __VERIFIER_nondet_int() [L65] 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] [L67] 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] [L773] COND TRUE waterLevel < 2 [L774] 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] [L67] 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] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] 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] [L93] 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] [L294] 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] [L301] 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] [L93] 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] [L100] 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] [L128] 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] [L135] 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] [L143] 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] [L309] int tmp ; [L310] int tmp___0 ; [L311] 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] [L315] 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] [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] 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] [L315] 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] [L315] tmp = isMethaneLevelCritical() [L317] 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] [L321] 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] [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] 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] [L321] 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] [L321] tmp___0 = getWaterLevel() [L323] 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] [L325] 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] [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] 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] [L325] 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] [L325] tmp___1 = isPumpRunning() [L327] 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] [L331] 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] [L346] __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, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 683 SDslu, 306 SDs, 0 SdLazy, 1673 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred 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, 174 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, 61972 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...