/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-23 02:31:24,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 02:31:24,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 02:31:24,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 02:31:24,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 02:31:24,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 02:31:24,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 02:31:24,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 02:31:24,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 02:31:24,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 02:31:24,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 02:31:24,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 02:31:24,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 02:31:24,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 02:31:24,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 02:31:24,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 02:31:24,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 02:31:24,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 02:31:24,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 02:31:24,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 02:31:24,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 02:31:24,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 02:31:24,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 02:31:24,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 02:31:24,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 02:31:24,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 02:31:24,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 02:31:24,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 02:31:24,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 02:31:24,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 02:31:24,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 02:31:24,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 02:31:24,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 02:31:24,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 02:31:24,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 02:31:24,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 02:31:24,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 02:31:24,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 02:31:24,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 02:31:24,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 02:31:24,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 02:31:24,638 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 [2023-03-23 02:31:24,659 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 02:31:24,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 02:31:24,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 02:31:24,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 02:31:24,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 02:31:24,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 02:31:24,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 02:31:24,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 02:31:24,661 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 02:31:24,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 02:31:24,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 02:31:24,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 02:31:24,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 02:31:24,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-23 02:31:24,664 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-23 02:31:24,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 02:31:24,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 02:31:24,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 02:31:24,877 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 02:31:24,878 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 02:31:24,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2023-03-23 02:31:25,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 02:31:26,180 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 02:31:26,180 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2023-03-23 02:31:26,188 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4022884a7/7fade99e031d4ba8958a11fb82a7893c/FLAGd3c85eb14 [2023-03-23 02:31:26,204 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4022884a7/7fade99e031d4ba8958a11fb82a7893c [2023-03-23 02:31:26,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 02:31:26,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-23 02:31:26,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 02:31:26,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 02:31:26,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 02:31:26,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7830f8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26, skipping insertion in model container [2023-03-23 02:31:26,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 02:31:26,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 02:31:26,571 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2023-03-23 02:31:26,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 02:31:26,601 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 02:31:26,655 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2023-03-23 02:31:26,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 02:31:26,671 INFO L208 MainTranslator]: Completed translation [2023-03-23 02:31:26,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26 WrapperNode [2023-03-23 02:31:26,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 02:31:26,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 02:31:26,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 02:31:26,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 02:31:26,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,706 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 02:31:26,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 02:31:26,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 02:31:26,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 02:31:26,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:31:26" (1/1) ... [2023-03-23 02:31:26,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 02:31:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 02:31:26,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 02:31:26,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-23 02:31:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-23 02:31:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-23 02:31:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-23 02:31:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-23 02:31:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-23 02:31:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-23 02:31:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-23 02:31:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-23 02:31:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-23 02:31:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-23 02:31:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-23 02:31:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-23 02:31:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-23 02:31:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-23 02:31:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 02:31:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 02:31:26,869 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 02:31:26,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 02:31:27,262 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 02:31:27,267 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 02:31:27,267 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-23 02:31:27,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 02:31:27 BoogieIcfgContainer [2023-03-23 02:31:27,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 02:31:27,270 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-23 02:31:27,270 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-23 02:31:27,270 INFO L275 PluginConnector]: Sifa initialized [2023-03-23 02:31:27,271 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 02:31:27" (1/1) ... [2023-03-23 02:31:27,271 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-23 02:31:27,341 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-23 02:31:27,341 INFO L166 IcfgInterpreter]: Building call graph [2023-03-23 02:31:27,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-23 02:31:27,357 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-23 02:31:27,358 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-23 02:31:27,716 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 120 for LOIs [2023-03-23 02:31:28,188 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 120 for LOIs [2023-03-23 02:31:28,318 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 120 for LOIs [2023-03-23 02:31:31,115 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2023-03-23 02:31:32,270 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2023-03-23 02:31:32,284 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2023-03-23 02:31:32,293 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2023-03-23 02:31:32,293 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-23 02:31:32,301 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-23 02:31:32,301 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-23 02:31:32,302 INFO L158 Benchmark]: Toolchain (without parser) took 6094.90ms. Allocated memory was 306.2MB in the beginning and 796.9MB in the end (delta: 490.7MB). Free memory was 254.7MB in the beginning and 371.0MB in the end (delta: -116.3MB). Peak memory consumption was 375.2MB. Max. memory is 8.0GB. [2023-03-23 02:31:32,302 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 02:31:32,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.96ms. Allocated memory is still 306.2MB. Free memory was 254.4MB in the beginning and 236.8MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-23 02:31:32,303 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 306.2MB. Free memory was 236.8MB in the beginning and 233.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 02:31:32,303 INFO L158 Benchmark]: RCFGBuilder took 557.70ms. Allocated memory is still 306.2MB. Free memory was 233.5MB in the beginning and 196.3MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-03-23 02:31:32,303 INFO L158 Benchmark]: Sifa took 5031.21ms. Allocated memory was 306.2MB in the beginning and 796.9MB in the end (delta: 490.7MB). Free memory was 196.3MB in the beginning and 371.0MB in the end (delta: -174.7MB). Peak memory consumption was 316.5MB. Max. memory is 8.0GB. [2023-03-23 02:31:32,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.96ms. Allocated memory is still 306.2MB. Free memory was 254.4MB in the beginning and 236.8MB in the end (delta: 17.7MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 306.2MB. Free memory was 236.8MB in the beginning and 233.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 557.70ms. Allocated memory is still 306.2MB. Free memory was 233.5MB in the beginning and 196.3MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Sifa took 5031.21ms. Allocated memory was 306.2MB in the beginning and 796.9MB in the end (delta: 490.7MB). Free memory was 196.3MB in the beginning and 371.0MB in the end (delta: -174.7MB). Peak memory consumption was 316.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 5.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 116, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 37, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 28, TOOLS_POST_RETURN_TIME: 1.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 180, TOOLS_QUANTIFIERELIM_TIME: 3.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 190, FLUID_YES_ANSWERS: 11, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 11, DOMAIN_ALPHA_TIME: 0.5s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 3.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 28, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 1.4s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 478, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 861]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 241#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (not (= ~methaneLevelCritical~0 0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~methAndRunningLastTime~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-23 02:31:32,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...