./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product35.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_spec4_product35.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 ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:59:05,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:59:05,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:59:05,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:59:05,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:59:05,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:59:05,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:59:05,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:59:05,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:59:05,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:59:05,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:59:05,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:59:05,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:59:05,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:59:05,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:59:05,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:59:05,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:59:05,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:59:05,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:59:05,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:59:05,910 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:59:05,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:59:05,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:59:05,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:59:05,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:59:05,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:59:05,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:59:05,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:59:05,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:59:05,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:59:05,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:59:05,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:59:05,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:59:05,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:59:05,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:59:05,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:59:05,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:59:05,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:59:05,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:59:05,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:59:05,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:59:05,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:59:05,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:59:05,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:59:05,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:59:05,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:59:05,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:59:05,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:59:05,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:59:05,955 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:59:05,955 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:59:05,955 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:59:05,956 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:59:05,956 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:59:05,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:59:05,956 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:59:05,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:59:05,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:59:05,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:59:05,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:59:05,958 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:59:05,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:59:05,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:59:05,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:59:05,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:59:05,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:59:05,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:59:05,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:59:05,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc [2022-07-14 15:59:06,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:59:06,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:59:06,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:59:06,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:59:06,189 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:59:06,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2022-07-14 15:59:06,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00faa263/395428043e4f4d4cb794b5405a183142/FLAGfec31f05e [2022-07-14 15:59:06,689 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:59:06,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2022-07-14 15:59:06,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00faa263/395428043e4f4d4cb794b5405a183142/FLAGfec31f05e [2022-07-14 15:59:06,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00faa263/395428043e4f4d4cb794b5405a183142 [2022-07-14 15:59:06,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:59:06,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:59:06,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:59:06,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:59:06,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:59:06,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:06" (1/1) ... [2022-07-14 15:59:06,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3016b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:06, skipping insertion in model container [2022-07-14 15:59:06,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:06" (1/1) ... [2022-07-14 15:59:06,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:59:07,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:59:07,257 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_spec4_product35.cil.c[16086,16099] [2022-07-14 15:59:07,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:59:07,289 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:59:07,361 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_spec4_product35.cil.c[16086,16099] [2022-07-14 15:59:07,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:59:07,379 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:59:07,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07 WrapperNode [2022-07-14 15:59:07,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:59:07,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:59:07,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:59:07,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:59:07,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,423 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 396 [2022-07-14 15:59:07,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:59:07,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:59:07,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:59:07,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:59:07,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:59:07,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:59:07,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:59:07,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:59:07,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (1/1) ... [2022-07-14 15:59:07,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:59:07,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:59:07,481 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 15:59:07,486 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 15:59:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:59:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:59:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:59:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:59:07,562 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:59:07,563 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:59:07,842 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:59:07,848 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:59:07,850 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:59:07,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:07 BoogieIcfgContainer [2022-07-14 15:59:07,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:59:07,854 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:59:07,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:59:07,856 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:59:07,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:07,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:59:06" (1/3) ... [2022-07-14 15:59:07,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f041e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:59:07, skipping insertion in model container [2022-07-14 15:59:07,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:07,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:07" (2/3) ... [2022-07-14 15:59:07,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f041e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:59:07, skipping insertion in model container [2022-07-14 15:59:07,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:07,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:07" (3/3) ... [2022-07-14 15:59:07,860 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2022-07-14 15:59:07,905 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:59:07,905 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:59:07,906 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:59:07,906 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:59:07,906 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:59:07,906 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:59:07,906 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:59:07,906 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:59:07,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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 15:59:07,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-07-14 15:59:07,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:07,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:07,939 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:07,939 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:07,939 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:59:07,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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 15:59:07,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-07-14 15:59:07,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:07,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:07,952 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:07,953 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:07,960 INFO L752 eck$LassoCheckResult]: Stem: 100#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 104#L821true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L814true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 13#L829true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 80#L410true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 108#L384true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 34#L65-2true [2022-07-14 15:59:07,960 INFO L754 eck$LassoCheckResult]: Loop: 34#L65-2true assume !false; 31#L66true assume test_~splverifierCounter~0#1 < 4; 99#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 51#L75true assume !(0 != test_~tmp~0#1); 97#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 6#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 74#L95true assume 0 != test_~tmp___2~0#1; 70#L101-2true assume { :begin_inline_timeShift } true; 11#L165true assume !(0 != ~pumpRunning~0); 21#L165-2true assume !(0 != ~systemActive~0); 45#L172-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 49#L909true __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 91#L133true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 61#L133-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 84#L182true assume { :end_inline_timeShift } true; 34#L65-2true [2022-07-14 15:59:07,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-14 15:59:07,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:07,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667398118] [2022-07-14 15:59:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:08,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1486867772, now seen corresponding path program 1 times [2022-07-14 15:59:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498410163] [2022-07-14 15:59:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:08,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,156 INFO L85 PathProgramCache]: Analyzing trace with hash -131448696, now seen corresponding path program 1 times [2022-07-14 15:59:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270083280] [2022-07-14 15:59:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:59:08,263 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 15:59:08,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:59:08,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270083280] [2022-07-14 15:59:08,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270083280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:59:08,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:59:08,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 15:59:08,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5231701] [2022-07-14 15:59:08,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:59:08,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:59:08,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 15:59:08,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 15:59:08,414 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3796296296296295) internal successors, (149), 108 states have internal predecessors, (149), 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 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 15:59:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:59:08,584 INFO L93 Difference]: Finished difference Result 269 states and 347 transitions. [2022-07-14 15:59:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 15:59:08,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 347 transitions. [2022-07-14 15:59:08,591 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2022-07-14 15:59:08,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 317 transitions. [2022-07-14 15:59:08,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2022-07-14 15:59:08,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2022-07-14 15:59:08,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 317 transitions. [2022-07-14 15:59:08,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:59:08,598 INFO L369 hiAutomatonCegarLoop]: Abstraction has 239 states and 317 transitions. [2022-07-14 15:59:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 317 transitions. [2022-07-14 15:59:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 148. [2022-07-14 15:59:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3243243243243243) internal successors, (196), 147 states have internal predecessors, (196), 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 15:59:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2022-07-14 15:59:08,641 INFO L392 hiAutomatonCegarLoop]: Abstraction has 148 states and 196 transitions. [2022-07-14 15:59:08,641 INFO L374 stractBuchiCegarLoop]: Abstraction has 148 states and 196 transitions. [2022-07-14 15:59:08,641 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:59:08,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 196 transitions. [2022-07-14 15:59:08,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 106 [2022-07-14 15:59:08,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:08,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:08,648 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:08,648 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] [2022-07-14 15:59:08,648 INFO L752 eck$LassoCheckResult]: Stem: 487#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 476#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 477#L821 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#L814 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 423#L829 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 424#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 457#L384 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 464#L65-2 [2022-07-14 15:59:08,648 INFO L754 eck$LassoCheckResult]: Loop: 464#L65-2 assume !false; 465#L66 assume test_~splverifierCounter~0#1 < 4; 466#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 486#L75 assume !(0 != test_~tmp~0#1); 485#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 470#L85 assume !(0 != test_~tmp___0~0#1); 400#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 401#L95 assume 0 != test_~tmp___2~0#1; 437#L101-2 assume { :begin_inline_timeShift } true; 418#L165 assume !(0 != ~pumpRunning~0); 419#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 408#L197 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 409#L189-1 assume { :end_inline_processEnvironment__wrappee__base } true; 421#L197-1 assume { :end_inline_processEnvironment } true; 422#L172-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 488#L909 __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 479#L133 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 398#L133-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 399#L182 assume { :end_inline_timeShift } true; 464#L65-2 [2022-07-14 15:59:08,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-14 15:59:08,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243904910] [2022-07-14 15:59:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,671 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:08,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash 101413134, now seen corresponding path program 1 times [2022-07-14 15:59:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614254891] [2022-07-14 15:59:08,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:59:08,742 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 15:59:08,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:59:08,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614254891] [2022-07-14 15:59:08,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614254891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:59:08,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:59:08,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 15:59:08,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991280271] [2022-07-14 15:59:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:59:08,744 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 15:59:08,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:59:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 15:59:08,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 15:59:08,745 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 15:59:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:59:08,802 INFO L93 Difference]: Finished difference Result 195 states and 247 transitions. [2022-07-14 15:59:08,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 15:59:08,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 247 transitions. [2022-07-14 15:59:08,805 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2022-07-14 15:59:08,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 247 transitions. [2022-07-14 15:59:08,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2022-07-14 15:59:08,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2022-07-14 15:59:08,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 247 transitions. [2022-07-14 15:59:08,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:59:08,808 INFO L369 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-07-14 15:59:08,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 247 transitions. [2022-07-14 15:59:08,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-14 15:59:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.2666666666666666) internal successors, (247), 194 states have internal predecessors, (247), 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 15:59:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2022-07-14 15:59:08,813 INFO L392 hiAutomatonCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-07-14 15:59:08,813 INFO L374 stractBuchiCegarLoop]: Abstraction has 195 states and 247 transitions. [2022-07-14 15:59:08,813 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:59:08,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 247 transitions. [2022-07-14 15:59:08,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2022-07-14 15:59:08,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:08,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:08,815 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:08,815 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, 1, 1, 1, 1, 1] [2022-07-14 15:59:08,815 INFO L752 eck$LassoCheckResult]: Stem: 848#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 828#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 829#L821 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 788#L814 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 770#L829 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 771#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 808#L384 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 859#L65-2 [2022-07-14 15:59:08,815 INFO L754 eck$LassoCheckResult]: Loop: 859#L65-2 assume !false; 916#L66 assume test_~splverifierCounter~0#1 < 4; 846#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 847#L75 assume !(0 != test_~tmp~0#1); 844#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 823#L85 assume !(0 != test_~tmp___0~0#1); 749#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 750#L95 assume 0 != test_~tmp___2~0#1; 791#L101-2 assume { :begin_inline_timeShift } true; 766#L165 assume !(0 != ~pumpRunning~0); 767#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 757#L197 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 758#L917 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 834#L922 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 825#L299 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~2#1 := 0; 786#L299-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 787#L305 processEnvironment_#t~ret10#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1; 857#L201 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 789#L189 assume { :end_inline_processEnvironment__wrappee__base } true; 768#L197-1 assume { :end_inline_processEnvironment } true; 769#L172-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 939#L909 __utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 936#L133 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 933#L133-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 931#L182 assume { :end_inline_timeShift } true; 859#L65-2 [2022-07-14 15:59:08,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-14 15:59:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243805130] [2022-07-14 15:59:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash 477063094, now seen corresponding path program 1 times [2022-07-14 15:59:08,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940698360] [2022-07-14 15:59:08,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:08,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash -773941646, now seen corresponding path program 1 times [2022-07-14 15:59:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:08,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452569791] [2022-07-14 15:59:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:08,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:11,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:59:11 BoogieIcfgContainer [2022-07-14 15:59:11,436 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:59:11,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:59:11,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:59:11,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:59:11,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:07" (3/4) ... [2022-07-14 15:59:11,440 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 15:59:11,489 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 15:59:11,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:59:11,490 INFO L158 Benchmark]: Toolchain (without parser) took 4506.10ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 62.0MB in the beginning and 114.3MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:59:11,490 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:59:11,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.32ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 69.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.85ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 66.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,491 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,491 INFO L158 Benchmark]: RCFGBuilder took 407.76ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 47.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,491 INFO L158 Benchmark]: BuchiAutomizer took 3582.40ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 47.0MB in the beginning and 116.4MB in the end (delta: -69.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,491 INFO L158 Benchmark]: Witness Printer took 52.24ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 114.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:59:11,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.32ms. Allocated memory is still 100.7MB. Free memory was 61.7MB in the beginning and 69.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.85ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 66.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.76ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 47.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3582.40ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 47.0MB in the beginning and 116.4MB in the end (delta: -69.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 52.24ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 114.3MB in the end (delta: 2.0MB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 195 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 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, 720 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 720 mSDsluCounter, 939 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 678 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 261 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 65]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ea01dda=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44f4179c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25538e95=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c5d2f5=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70680425=0, tmp___0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ae79c93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ff3c05=29, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d54a8c1=0, retValue_acc=1, retValue_acc=1, \result=1, \result=1, tmp=1, tmp=1, tmp___2=29, tmp=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ad3708=0, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, \result=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 15:59:11,524 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)