/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 IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 14:51:58,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 14:51:58,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 14:51:58,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 14:51:58,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 14:51:58,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 14:51:58,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 14:51:58,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 14:51:58,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 14:51:58,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 14:51:58,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 14:51:58,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 14:51:58,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 14:51:58,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 14:51:58,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 14:51:58,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 14:51:58,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 14:51:58,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 14:51:58,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 14:51:58,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 14:51:58,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 14:51:58,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 14:51:58,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 14:51:58,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 14:51:58,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 14:51:58,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 14:51:58,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 14:51:58,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 14:51:58,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 14:51:58,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 14:51:58,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 14:51:58,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 14:51:58,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 14:51:58,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 14:51:58,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 14:51:58,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 14:51:58,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 14:51:58,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 14:51:58,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 14:51:58,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 14:51:58,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 14:51:58,870 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 [2023-03-22 14:51:58,909 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 14:51:58,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 14:51:58,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 14:51:58,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 14:51:58,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 14:51:58,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 14:51:58,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 14:51:58,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 14:51:58,911 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 14:51:58,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 14:51:58,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 14:51:58,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:51:58,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 14:51:58,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 14:51:58,914 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 14:51:58,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 14:51:58,914 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 14:51:58,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-22 14:51:59,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 14:51:59,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 14:51:59,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 14:51:59,129 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 14:51:59,131 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 14:51:59,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2023-03-22 14:52:00,287 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 14:52:00,487 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 14:52:00,487 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2023-03-22 14:52:00,498 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb50b81d/eac4a46466d44b9b81ff89a0dfaa3330/FLAGe64a5e67e [2023-03-22 14:52:00,512 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eb50b81d/eac4a46466d44b9b81ff89a0dfaa3330 [2023-03-22 14:52:00,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 14:52:00,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 14:52:00,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 14:52:00,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 14:52:00,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 14:52:00,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728acd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00, skipping insertion in model container [2023-03-22 14:52:00,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 14:52:00,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 14:52:00,764 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_product61.cil.c[13371,13384] [2023-03-22 14:52:00,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:52:00,810 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 14:52:00,861 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_product61.cil.c[13371,13384] [2023-03-22 14:52:00,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 14:52:00,886 INFO L208 MainTranslator]: Completed translation [2023-03-22 14:52:00,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00 WrapperNode [2023-03-22 14:52:00,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 14:52:00,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 14:52:00,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 14:52:00,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 14:52:00,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 14:52:00,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 14:52:00,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 14:52:00,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 14:52:00,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 02:52:00" (1/1) ... [2023-03-22 14:52:00,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 14:52:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 14:52:00,986 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) [2023-03-22 14:52:01,009 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 [2023-03-22 14:52:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 14:52:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 14:52:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-22 14:52:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 14:52:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-22 14:52:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-22 14:52:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-22 14:52:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-22 14:52:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-22 14:52:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-22 14:52:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 14:52:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-22 14:52:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-22 14:52:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-22 14:52:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-22 14:52:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-22 14:52:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-22 14:52:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 14:52:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 14:52:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 14:52:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 14:52:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 14:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-22 14:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-22 14:52:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-22 14:52:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-22 14:52:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-22 14:52:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-22 14:52:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-22 14:52:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-22 14:52:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-22 14:52:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-22 14:52:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-22 14:52:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-22 14:52:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-22 14:52:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-22 14:52:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-22 14:52:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-22 14:52:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-22 14:52:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-22 14:52:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 14:52:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-22 14:52:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-22 14:52:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 14:52:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-22 14:52:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-22 14:52:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-22 14:52:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-22 14:52:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-22 14:52:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-22 14:52:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 14:52:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 14:52:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 14:52:01,247 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 14:52:01,249 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 14:52:01,784 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 14:52:01,790 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 14:52:01,790 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-22 14:52:01,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:52:01 BoogieIcfgContainer [2023-03-22 14:52:01,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 14:52:01,793 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 14:52:01,793 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 14:52:01,793 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 14:52:01,794 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 02:52:01" (1/1) ... [2023-03-22 14:52:01,794 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ 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 [2023-03-22 14:52:01,813 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 14:52:01,813 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 14:52:01,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 14:52:01,851 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 14:52:01,853 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 14:52:02,297 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 122 for LOIs [2023-03-22 14:52:03,030 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 122 for LOIs [2023-03-22 14:52:03,184 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 122 for LOIs [2023-03-22 14:52:08,805 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-22 14:52:08,806 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 37 for LOIs [2023-03-22 14:52:08,836 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 38 for LOIs [2023-03-22 14:52:08,931 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 48 for LOIs [2023-03-22 14:52:08,934 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 14:52:08,943 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 14:52:08,944 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 14:52:08,944 INFO L158 Benchmark]: Toolchain (without parser) took 8428.57ms. Allocated memory was 255.9MB in the beginning and 976.2MB in the end (delta: 720.4MB). Free memory was 204.4MB in the beginning and 454.4MB in the end (delta: -250.0MB). Peak memory consumption was 472.9MB. Max. memory is 8.0GB. [2023-03-22 14:52:08,945 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 14:52:08,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.16ms. Allocated memory is still 255.9MB. Free memory was 204.4MB in the beginning and 185.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-22 14:52:08,945 INFO L158 Benchmark]: Boogie Preprocessor took 68.83ms. Allocated memory is still 255.9MB. Free memory was 185.4MB in the beginning and 181.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-22 14:52:08,946 INFO L158 Benchmark]: RCFGBuilder took 835.25ms. Allocated memory is still 255.9MB. Free memory was 181.8MB in the beginning and 140.9MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-03-22 14:52:08,946 INFO L158 Benchmark]: Sifa took 7150.54ms. Allocated memory was 255.9MB in the beginning and 976.2MB in the end (delta: 720.4MB). Free memory was 140.9MB in the beginning and 454.4MB in the end (delta: -313.5MB). Peak memory consumption was 408.9MB. Max. memory is 8.0GB. [2023-03-22 14:52:08,948 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 176.2MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 370.16ms. Allocated memory is still 255.9MB. Free memory was 204.4MB in the beginning and 185.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.83ms. Allocated memory is still 255.9MB. Free memory was 185.4MB in the beginning and 181.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 835.25ms. Allocated memory is still 255.9MB. Free memory was 181.8MB in the beginning and 140.9MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Sifa took 7150.54ms. Allocated memory was 255.9MB in the beginning and 976.2MB in the end (delta: 720.4MB). Free memory was 140.9MB in the beginning and 454.4MB in the end (delta: -313.5MB). Peak memory consumption was 408.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 7.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 152, DAG_INTERPRETER_EARLY_EXITS: 21, TOOLS_POST_APPLICATIONS: 598, TOOLS_POST_TIME: 3.4s, TOOLS_POST_CALL_APPLICATIONS: 166, TOOLS_POST_CALL_TIME: 1.3s, TOOLS_POST_RETURN_APPLICATIONS: 159, TOOLS_POST_RETURN_TIME: 1.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 898, TOOLS_QUANTIFIERELIM_TIME: 5.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 927, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 116, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 477, DOMAIN_ISSUBSETEQ_TIME: 0.4s, DOMAIN_ISBOTTOM_APPLICATIONS: 152, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 5.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 159, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 4.3s, 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: 524, DAG_COMPRESSION_RETAINED_NODES: 274 - UnprovableResult [Line: 567]: 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 1082#(and (not (= ~pumpRunning~0 0)) (or (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= 0 |#NULL.base|) (<= 0 ~head~0.offset) (<= 1 ~systemActive~0) (<= |#NULL.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 4 ~cleanupTimeShifts~0) (<= 0 ~head~0.base) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1)) (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= 0 |#NULL.base|) (<= ~pumpRunning~0 1) (<= 0 ~head~0.offset) (<= 1 ~systemActive~0) (<= |#NULL.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 4 ~cleanupTimeShifts~0) (<= 0 ~head~0.base) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1))) (<= ~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 [2023-03-22 14:52:08,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...