/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:51:55,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:51:55,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:51:55,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:51:55,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:51:55,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:51:55,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:51:55,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:51:55,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:51:55,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:51:55,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:51:55,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:51:55,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:51:55,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:51:55,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:51:55,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:51:55,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:51:55,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:51:55,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:51:55,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:51:55,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:51:55,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:51:55,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:51:55,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:51:55,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:51:55,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:51:55,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:51:55,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:51:55,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:51:55,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:51:55,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:51:55,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:51:55,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:51:55,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:51:55,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:51:55,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:51:55,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:51:55,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:51:55,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:51:55,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:51:55,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:51:55,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 11:51:55,971 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:51:55,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:51:55,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:51:55,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:51:55,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:51:55,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:51:55,973 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:51:55,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:51:55,973 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:51:55,973 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:51:55,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:51:55,974 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:51:55,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:51:55,975 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:51:55,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:51:55,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:51:55,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:51:55,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:51:55,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:51:55,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:51:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:51:55,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:51:55,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:51:55,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:51:56,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:51:56,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:51:56,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:51:56,180 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:51:56,180 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:51:56,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2023-03-31 11:51:57,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:51:57,486 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:51:57,487 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2023-03-31 11:51:57,495 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00593666/dbb81b70dc6d40acb5660a54347150c2/FLAGb8d937917 [2023-03-31 11:51:57,507 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00593666/dbb81b70dc6d40acb5660a54347150c2 [2023-03-31 11:51:57,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:51:57,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:51:57,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:51:57,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:51:57,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:51:57,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c599d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57, skipping insertion in model container [2023-03-31 11:51:57,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:51:57,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:51:57,816 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_spec5_product14.cil.c[17811,17824] [2023-03-31 11:51:57,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:51:57,833 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:51:57,902 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_spec5_product14.cil.c[17811,17824] [2023-03-31 11:51:57,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:51:57,922 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:51:57,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57 WrapperNode [2023-03-31 11:51:57,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:51:57,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:51:57,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:51:57,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:51:57,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:51:57,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:51:57,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:51:57,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:51:57,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:57" (1/1) ... [2023-03-31 11:51:57,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:51:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:51:58,016 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) [2023-03-31 11:51:58,018 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 [2023-03-31 11:51:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:51:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:51:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 11:51:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:51:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:51:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 11:51:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 11:51:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 11:51:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 11:51:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 11:51:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:51:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:51:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:51:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:51:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 11:51:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 11:51:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 11:51:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 11:51:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 11:51:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 11:51:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 11:51:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 11:51:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 11:51:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 11:51:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:51:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 11:51:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 11:51:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 11:51:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 11:51:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 11:51:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 11:51:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 11:51:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 11:51:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 11:51:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 11:51:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 11:51:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 11:51:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-03-31 11:51:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 11:51:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:51:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:51:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:51:58,195 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:51:58,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:51:58,813 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:51:58,955 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:51:58,956 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 11:51:58,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:51:58 BoogieIcfgContainer [2023-03-31 11:51:58,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:51:58,962 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:51:58,963 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:51:58,963 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:51:58,964 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:51:58" (1/1) ... [2023-03-31 11:51:58,964 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 11:51:58,993 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 11:51:58,993 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:51:59,000 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 11:51:59,006 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 11:51:59,007 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 11:51:59,357 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 124 for LOIs [2023-03-31 11:51:59,979 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 124 for LOIs [2023-03-31 11:52:00,167 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 124 for LOIs [2023-03-31 11:52:07,367 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 11:52:07,368 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2023-03-31 11:52:07,456 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 42 for LOIs [2023-03-31 11:52:07,516 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 40 for LOIs [2023-03-31 11:52:07,518 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 11:52:07,528 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 11:52:07,528 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 11:52:07,529 INFO L158 Benchmark]: Toolchain (without parser) took 10019.09ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 823.1MB). Free memory was 140.3MB in the beginning and 748.1MB in the end (delta: -607.8MB). Peak memory consumption was 216.5MB. Max. memory is 8.0GB. [2023-03-31 11:52:07,530 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 11:52:07,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.39ms. Allocated memory is still 186.6MB. Free memory was 140.3MB in the beginning and 122.1MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 11:52:07,531 INFO L158 Benchmark]: Boogie Preprocessor took 62.55ms. Allocated memory is still 186.6MB. Free memory was 122.1MB in the beginning and 118.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 11:52:07,531 INFO L158 Benchmark]: RCFGBuilder took 974.34ms. Allocated memory was 186.6MB in the beginning and 291.5MB in the end (delta: 104.9MB). Free memory was 118.6MB in the beginning and 225.9MB in the end (delta: -107.3MB). Peak memory consumption was 29.3MB. Max. memory is 8.0GB. [2023-03-31 11:52:07,532 INFO L158 Benchmark]: Sifa took 8566.17ms. Allocated memory was 291.5MB in the beginning and 1.0GB in the end (delta: 718.3MB). Free memory was 225.9MB in the beginning and 748.1MB in the end (delta: -522.2MB). Peak memory consumption was 196.6MB. Max. memory is 8.0GB. [2023-03-31 11:52:07,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 411.39ms. Allocated memory is still 186.6MB. Free memory was 140.3MB in the beginning and 122.1MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.55ms. Allocated memory is still 186.6MB. Free memory was 122.1MB in the beginning and 118.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 974.34ms. Allocated memory was 186.6MB in the beginning and 291.5MB in the end (delta: 104.9MB). Free memory was 118.6MB in the beginning and 225.9MB in the end (delta: -107.3MB). Peak memory consumption was 29.3MB. Max. memory is 8.0GB. * Sifa took 8566.17ms. Allocated memory was 291.5MB in the beginning and 1.0GB in the end (delta: 718.3MB). Free memory was 225.9MB in the beginning and 748.1MB in the end (delta: -522.2MB). Peak memory consumption was 196.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 8.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 38, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 141, TOOLS_POST_TIME: 1.4s, TOOLS_POST_CALL_APPLICATIONS: 60, TOOLS_POST_CALL_TIME: 1.3s, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME: 0.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 253, TOOLS_QUANTIFIERELIM_TIME: 3.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 249, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 39, DOMAIN_JOIN_TIME: 4.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.6s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 5.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, 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: 555, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 926]: 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 298#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (not (= 2 ~waterLevel~0)) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= 1 (+ |#StackHeapBarrier| ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 11:52:07,555 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...