./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:57:25,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:57:25,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:57:25,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:57:25,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:57:25,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:57:26,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:57:26,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:57:26,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:57:26,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:57:26,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:57:26,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:57:26,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:57:26,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:57:26,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:57:26,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:57:26,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:57:26,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:57:26,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:57:26,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:57:26,030 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:57:26,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:57:26,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:57:26,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:57:26,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:57:26,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:57:26,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:57:26,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:57:26,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:57:26,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:57:26,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:57:26,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:57:26,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:57:26,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:57:26,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:57:26,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:57:26,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:57:26,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:57:26,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:57:26,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:57:26,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:57:26,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:57:26,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:57:26,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:57:26,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:57:26,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:57:26,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:57:26,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:57:26,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:57:26,073 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:57:26,074 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:57:26,074 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:57:26,074 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:57:26,075 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:57:26,075 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:57:26,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:57:26,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:57:26,075 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:57:26,076 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:57:26,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:57:26,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:57:26,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:57:26,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:57:26,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:57:26,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:57:26,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:57:26,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:57:26,078 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:57:26,079 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2022-07-14 15:57:26,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:57:26,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:57:26,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:57:26,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:57:26,342 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:57:26,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-07-14 15:57:26,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f615bb2/bdd4fd3f71d1428d912e95c98d5428ec/FLAG2bbb195dc [2022-07-14 15:57:26,787 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:57:26,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-07-14 15:57:26,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f615bb2/bdd4fd3f71d1428d912e95c98d5428ec/FLAG2bbb195dc [2022-07-14 15:57:26,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f615bb2/bdd4fd3f71d1428d912e95c98d5428ec [2022-07-14 15:57:26,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:57:26,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:57:26,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:57:26,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:57:26,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:57:26,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:57:26" (1/1) ... [2022-07-14 15:57:26,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7e6995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:26, skipping insertion in model container [2022-07-14 15:57:26,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:57:26" (1/1) ... [2022-07-14 15:57:26,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:57:26,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:57:27,052 WARN L230 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_product06.cil.c[16447,16460] [2022-07-14 15:57:27,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:57:27,064 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:57:27,110 WARN L230 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_product06.cil.c[16447,16460] [2022-07-14 15:57:27,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:57:27,126 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:57:27,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27 WrapperNode [2022-07-14 15:57:27,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:57:27,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:57:27,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:57:27,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:57:27,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,182 INFO L137 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 47, calls inlined = 49, statements flattened = 378 [2022-07-14 15:57:27,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:57:27,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:57:27,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:57:27,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:57:27,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:57:27,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:57:27,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:57:27,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:57:27,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (1/1) ... [2022-07-14 15:57:27,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:57:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:57:27,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:57:27,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:57:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:57:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:57:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:57:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:57:27,309 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:57:27,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:57:27,651 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:57:27,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:57:27,659 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:57:27,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:57:27 BoogieIcfgContainer [2022-07-14 15:57:27,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:57:27,662 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:57:27,662 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:57:27,666 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:57:27,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:57:27,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:57:26" (1/3) ... [2022-07-14 15:57:27,668 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b36e487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:57:27, skipping insertion in model container [2022-07-14 15:57:27,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:57:27,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:57:27" (2/3) ... [2022-07-14 15:57:27,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b36e487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:57:27, skipping insertion in model container [2022-07-14 15:57:27,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:57:27,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:57:27" (3/3) ... [2022-07-14 15:57:27,671 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2022-07-14 15:57:27,725 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:57:27,725 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:57:27,725 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:57:27,725 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:57:27,725 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:57:27,725 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:57:27,725 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:57:27,726 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:57:27,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:57:27,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-07-14 15:57:27,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:57:27,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:57:27,754 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:27,754 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:27,754 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:57:27,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:57:27,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-07-14 15:57:27,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:57:27,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:57:27,765 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:27,765 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:27,769 INFO L752 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 25#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 39#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 15#L83true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 13#L888true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 84#L864true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 94#L397true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L103-2true [2022-07-14 15:57:27,769 INFO L754 eck$LassoCheckResult]: Loop: 68#L103-2true assume !false; 12#L104true assume test_~splverifierCounter~0#1 < 4; 11#L105true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 82#L113true assume !(0 != test_~tmp~0#1); 30#L113-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 14#L123true assume !(0 != test_~tmp___0~0#1); 27#L123-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 80#L133true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 40#L305true assume { :end_inline_startSystem } true; 86#L141-2true assume { :begin_inline_timeShift } true; 3#L175true assume !(0 != ~pumpRunning~0); 50#L175-2true assume !(0 != ~systemActive~0); 100#L182-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret24#1, __utac_acc__Specification2_spec__2_#t~ret25#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 91#L353-1true __utac_acc__Specification2_spec__2_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret24#1;havoc __utac_acc__Specification2_spec__2_#t~ret24#1; 78#L408true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 61#L408-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 67#L192true assume { :end_inline_timeShift } true; 68#L103-2true [2022-07-14 15:57:27,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:57:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-14 15:57:27,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:57:27,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85434641] [2022-07-14 15:57:27,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:57:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:57:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:27,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:57:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:27,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:57:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:57:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2019004041, now seen corresponding path program 1 times [2022-07-14 15:57:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:57:27,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049055219] [2022-07-14 15:57:27,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:57:27,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:57:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:57:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:57:28,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:57:28,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049055219] [2022-07-14 15:57:28,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049055219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:57:28,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:57:28,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 15:57:28,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534067203] [2022-07-14 15:57:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:57:28,070 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 15:57:28,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:57:28,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 15:57:28,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 15:57:28,100 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:57:28,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:57:28,146 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2022-07-14 15:57:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 15:57:28,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 124 transitions. [2022-07-14 15:57:28,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-07-14 15:57:28,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 88 states and 113 transitions. [2022-07-14 15:57:28,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2022-07-14 15:57:28,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2022-07-14 15:57:28,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2022-07-14 15:57:28,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:57:28,171 INFO L369 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-14 15:57:28,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2022-07-14 15:57:28,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-14 15:57:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:57:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-14 15:57:28,195 INFO L392 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-14 15:57:28,195 INFO L374 stractBuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-14 15:57:28,195 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:57:28,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2022-07-14 15:57:28,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-07-14 15:57:28,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:57:28,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:57:28,198 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:28,198 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:57:28,199 INFO L752 eck$LassoCheckResult]: Stem: 289#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 280#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 281#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 292#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 256#L83 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 245#L888 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 246#L864 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 288#L397 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 260#L103-2 [2022-07-14 15:57:28,199 INFO L754 eck$LassoCheckResult]: Loop: 260#L103-2 assume !false; 244#L104 assume test_~splverifierCounter~0#1 < 4; 242#L105 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 243#L113 assume !(0 != test_~tmp~0#1); 209#L113-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 254#L123 assume !(0 != test_~tmp___0~0#1); 251#L123-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 284#L133 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 285#L305 assume { :end_inline_startSystem } true; 287#L141-2 assume { :begin_inline_timeShift } true; 212#L175 assume !(0 != ~pumpRunning~0); 213#L175-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 215#L207 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 217#L199-1 assume { :end_inline_processEnvironment__wrappee__base } true; 267#L207-1 assume { :end_inline_processEnvironment } true; 275#L182-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret24#1, __utac_acc__Specification2_spec__2_#t~ret25#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 291#L353-1 __utac_acc__Specification2_spec__2_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret24#1;havoc __utac_acc__Specification2_spec__2_#t~ret24#1; 278#L408 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 252#L408-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 253#L192 assume { :end_inline_timeShift } true; 260#L103-2 [2022-07-14 15:57:28,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:57:28,200 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-14 15:57:28,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:57:28,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988120950] [2022-07-14 15:57:28,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:57:28,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:57:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,231 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:57:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:57:28,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:57:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1878234674, now seen corresponding path program 1 times [2022-07-14 15:57:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:57:28,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984629089] [2022-07-14 15:57:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:57:28,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:57:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,249 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:57:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:57:28,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:57:28,266 INFO L85 PathProgramCache]: Analyzing trace with hash -505709001, now seen corresponding path program 1 times [2022-07-14 15:57:28,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:57:28,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619585297] [2022-07-14 15:57:28,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:57:28,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:57:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:57:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:57:28,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:57:30,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:57:30 BoogieIcfgContainer [2022-07-14 15:57:30,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:57:30,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:57:30,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:57:30,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:57:30,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:57:27" (3/4) ... [2022-07-14 15:57:30,870 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 15:57:30,917 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 15:57:30,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:57:30,918 INFO L158 Benchmark]: Toolchain (without parser) took 4103.56ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 48.6MB in the beginning and 133.0MB in the end (delta: -84.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:57:30,918 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:57:30,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.73ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 48.4MB in the beginning and 83.5MB in the end (delta: -35.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.70ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,919 INFO L158 Benchmark]: Boogie Preprocessor took 22.49ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,920 INFO L158 Benchmark]: RCFGBuilder took 453.51ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 61.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,920 INFO L158 Benchmark]: BuchiAutomizer took 3205.77ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 61.9MB in the beginning and 135.1MB in the end (delta: -73.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,920 INFO L158 Benchmark]: Witness Printer took 49.25ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:57:30,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.73ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 48.4MB in the beginning and 83.5MB in the end (delta: -35.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.70ms. Allocated memory is still 113.2MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.49ms. Allocated memory is still 113.2MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.51ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 61.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3205.77ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 61.9MB in the beginning and 135.1MB in the end (delta: -73.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 49.25ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 88 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 121 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 103]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1667c600=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58bf8b8e=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@489bde9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e53a3d4=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a10a3fa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e8a8731=0, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30d02657=0, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=0, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56160f8a=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 103]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L167] int pumpRunning = 0; [L168] int systemActive = 1; [L310] int waterLevel = 1; [L311] int methaneLevelCritical = 0; [L391] int methAndRunningLastTime ; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L805] int cleanupTimeShifts = 4; [L879] int retValue_acc ; [L880] int tmp ; [L884] FCALL select_helpers() [L885] FCALL select_features() [L886] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L886] RET, EXPR valid_product() [L886] tmp = valid_product() [L888] COND TRUE \read(tmp) [L890] FCALL setup() [L891] CALL runTest() [L872] CALL __utac_acc__Specification2_spec__1() [L396] methAndRunningLastTime = 0 [L872] RET __utac_acc__Specification2_spec__1() [L873] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 Loop: [L103] COND TRUE 1 [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp)) [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND FALSE !(\read(tmp___0)) [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND TRUE \read(tmp___2) [L135] CALL startSystem() [L304] systemActive = 1 [L135] RET startSystem() [L148] CALL timeShift() [L175] COND FALSE !(\read(pumpRunning)) [L182] COND TRUE \read(systemActive) [L184] CALL processEnvironment() [L204] int tmp ; [L207] COND FALSE !(\read(pumpRunning)) [L222] FCALL processEnvironment__wrappee__base() [L184] RET processEnvironment() [L190] CALL __utac_acc__Specification2_spec__2() [L401] int tmp ; [L402] int tmp___0 ; [L406] CALL, EXPR isMethaneLevelCritical() [L349] int retValue_acc ; [L352] retValue_acc = methaneLevelCritical [L353] return (retValue_acc); [L406] RET, EXPR isMethaneLevelCritical() [L406] tmp = isMethaneLevelCritical() [L408] COND FALSE !(\read(tmp)) [L424] methAndRunningLastTime = 0 [L190] RET __utac_acc__Specification2_spec__2() [L148] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 15:57:30,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)