./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product13.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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:36,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:36,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:36,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:36,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:36,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:36,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:36,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:36,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:36,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:36,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:36,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:36,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:36,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:36,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:36,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:36,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:36,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:36,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:36,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:36,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:36,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:36,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:36,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:36,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:36,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:36,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:36,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:36,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:36,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:36,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:36,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:36,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:36,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:36,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:36,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:36,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:36,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:36,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:36,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:36,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:36,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:36,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:36,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:36,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:36,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:36,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:36,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:36,716 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:36,716 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:36,716 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:36,717 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:36,717 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:36,718 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:36,718 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:36,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:36,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:36,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:36,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:36,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:36,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:36,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:36,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:36,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:36,720 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:36,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:36,720 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:36,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:36,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:36,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:36,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:36,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:36,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:36,722 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:36,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2022-02-21 04:17:36,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:37,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:37,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:37,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:37,022 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:37,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-02-21 04:17:37,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1ee12ed5/0907d2320bca49abbffe722567062af1/FLAG8eea41db6 [2022-02-21 04:17:37,537 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:37,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-02-21 04:17:37,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1ee12ed5/0907d2320bca49abbffe722567062af1/FLAG8eea41db6 [2022-02-21 04:17:37,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1ee12ed5/0907d2320bca49abbffe722567062af1 [2022-02-21 04:17:37,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:37,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:37,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:37,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:37,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:37,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:37" (1/1) ... [2022-02-21 04:17:37,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d12b5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:37, skipping insertion in model container [2022-02-21 04:17:37,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:37" (1/1) ... [2022-02-21 04:17:37,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:37,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:38,161 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_product13.cil.c[12494,12507] [2022-02-21 04:17:38,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:38,195 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:38,279 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_product13.cil.c[12494,12507] [2022-02-21 04:17:38,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:38,324 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:38,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38 WrapperNode [2022-02-21 04:17:38,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:38,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:38,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:38,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:38,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,383 INFO L137 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 359 [2022-02-21 04:17:38,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:38,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:38,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:38,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:38,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:38,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:38,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:38,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:38,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:38,480 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) [2022-02-21 04:17:38,507 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 [2022-02-21 04:17:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:38,611 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:38,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:38,950 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:38,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:38,956 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:38,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38 BoogieIcfgContainer [2022-02-21 04:17:38,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:38,959 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:38,959 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:38,962 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:38,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:37" (1/3) ... [2022-02-21 04:17:38,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e7a40b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:38, skipping insertion in model container [2022-02-21 04:17:38,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (2/3) ... [2022-02-21 04:17:38,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e7a40b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:38, skipping insertion in model container [2022-02-21 04:17:38,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38" (3/3) ... [2022-02-21 04:17:38,972 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2022-02-21 04:17:39,020 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:39,029 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:39,029 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:39,029 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:39,030 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:39,030 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:39,030 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:39,030 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:39,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-02-21 04:17:39,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:39,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:39,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:39,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,107 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:39,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-02-21 04:17:39,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:39,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:39,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:39,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,135 INFO L791 eck$LassoCheckResult]: Stem: 80#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 62#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 35#L879true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L872true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 85#L887true main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 6#L626true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 87#L599true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 43#L802-2true [2022-02-21 04:17:39,136 INFO L793 eck$LassoCheckResult]: Loop: 43#L802-2true assume !false; 38#L803true assume test_~splverifierCounter~0#1 < 4; 16#L804true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 20#L812true assume !(0 != test_~tmp~7#1); 60#L812-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 17#L822true assume !(0 != test_~tmp___0~1#1); 86#L822-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 7#L832true assume 0 != test_~tmp___2~0#1; 57#L838-2true assume { :begin_inline_timeShift } true; 89#L649true assume !(0 != ~pumpRunning~0); 84#L649-2true assume !(0 != ~systemActive~0); 22#L656-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 71#L131true __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 66#L520true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 26#L520-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 24#L666true assume { :end_inline_timeShift } true; 43#L802-2true [2022-02-21 04:17:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:39,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123198895] [2022-02-21 04:17:39,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,296 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,335 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-02-21 04:17:39,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91079372] [2022-02-21 04:17:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,378 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,383 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-02-21 04:17:39,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273232576] [2022-02-21 04:17:39,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:39,572 INFO L290 TraceCheckUtils]: 0: Hoare triple {104#true} 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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {106#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,573 INFO L290 TraceCheckUtils]: 1: Hoare triple {106#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {106#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,574 INFO L290 TraceCheckUtils]: 2: Hoare triple {106#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {106#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,575 INFO L290 TraceCheckUtils]: 3: Hoare triple {106#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {107#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:39,575 INFO L290 TraceCheckUtils]: 4: Hoare triple {107#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; {108#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} is VALID [2022-02-21 04:17:39,577 INFO L290 TraceCheckUtils]: 5: Hoare triple {108#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,579 INFO L290 TraceCheckUtils]: 6: Hoare triple {109#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,580 INFO L290 TraceCheckUtils]: 7: Hoare triple {109#(not (= 0 ~systemActive~0))} assume !false; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,580 INFO L290 TraceCheckUtils]: 8: Hoare triple {109#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,581 INFO L290 TraceCheckUtils]: 9: Hoare triple {109#(not (= 0 ~systemActive~0))} test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,582 INFO L290 TraceCheckUtils]: 10: Hoare triple {109#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7#1); {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,582 INFO L290 TraceCheckUtils]: 11: Hoare triple {109#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,583 INFO L290 TraceCheckUtils]: 12: Hoare triple {109#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {109#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,584 INFO L290 TraceCheckUtils]: 14: Hoare triple {109#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {109#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,585 INFO L290 TraceCheckUtils]: 16: Hoare triple {109#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {109#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:39,586 INFO L290 TraceCheckUtils]: 17: Hoare triple {109#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {105#false} is VALID [2022-02-21 04:17:39,586 INFO L290 TraceCheckUtils]: 18: Hoare triple {105#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {105#false} is VALID [2022-02-21 04:17:39,586 INFO L290 TraceCheckUtils]: 19: Hoare triple {105#false} __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; {105#false} is VALID [2022-02-21 04:17:39,587 INFO L290 TraceCheckUtils]: 20: Hoare triple {105#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); {105#false} is VALID [2022-02-21 04:17:39,587 INFO L290 TraceCheckUtils]: 21: Hoare triple {105#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {105#false} is VALID [2022-02-21 04:17:39,587 INFO L290 TraceCheckUtils]: 22: Hoare triple {105#false} assume { :end_inline_timeShift } true; {105#false} is VALID [2022-02-21 04:17:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:39,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:39,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273232576] [2022-02-21 04:17:39,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273232576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:39,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:39,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:39,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871799430] [2022-02-21 04:17:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:39,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:39,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:39,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:39,753 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-02-21 04:17:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:40,022 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-02-21 04:17:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:17:40,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 04:17:40,046 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:40,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-02-21 04:17:40,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:17:40,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-02-21 04:17:40,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-02-21 04:17:40,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-02-21 04:17:40,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-02-21 04:17:40,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:40,084 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-02-21 04:17:40,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-02-21 04:17:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-02-21 04:17:40,110 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:40,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states and 105 transitions. Second operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-02-21 04:17:40,112 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states and 105 transitions. Second operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-02-21 04:17:40,113 INFO L87 Difference]: Start difference. First operand 83 states and 105 transitions. Second operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-02-21 04:17:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:40,116 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-02-21 04:17:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2022-02-21 04:17:40,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:40,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:40,118 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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 83 states and 105 transitions. [2022-02-21 04:17:40,119 INFO L87 Difference]: Start difference. First operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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 83 states and 105 transitions. [2022-02-21 04:17:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:40,121 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-02-21 04:17:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2022-02-21 04:17:40,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:40,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:40,123 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:40,123 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-02-21 04:17:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-02-21 04:17:40,127 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-02-21 04:17:40,127 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-02-21 04:17:40,127 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:40,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-02-21 04:17:40,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:17:40,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:40,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:40,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:40,129 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:40,129 INFO L791 eck$LassoCheckResult]: Stem: 286#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 260#L879 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 250#L872 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 251#L887 main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 215#L626 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 216#L599 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 244#L802-2 [2022-02-21 04:17:40,129 INFO L793 eck$LassoCheckResult]: Loop: 244#L802-2 assume !false; 261#L803 assume test_~splverifierCounter~0#1 < 4; 234#L804 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 235#L812 assume !(0 != test_~tmp~7#1); 240#L812-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 230#L822 assume !(0 != test_~tmp___0~1#1); 231#L822-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 212#L832 assume 0 != test_~tmp___2~0#1; 214#L838-2 assume { :begin_inline_timeShift } true; 276#L649 assume !(0 != ~pumpRunning~0); 273#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 287#L681 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 289#L673-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 269#L681-1 assume { :end_inline_processEnvironment } true; 241#L656-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 242#L131 __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 280#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 249#L520-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 243#L666 assume { :end_inline_timeShift } true; 244#L802-2 [2022-02-21 04:17:40,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:40,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723011407] [2022-02-21 04:17:40,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,157 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:40,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-02-21 04:17:40,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35134034] [2022-02-21 04:17:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,165 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,169 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:40,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,170 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-02-21 04:17:40,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113517662] [2022-02-21 04:17:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,185 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,202 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:43,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:43 BoogieIcfgContainer [2022-02-21 04:17:43,125 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:43,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:43,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:43,125 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:43,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38" (3/4) ... [2022-02-21 04:17:43,128 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:43,170 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:43,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:43,172 INFO L158 Benchmark]: Toolchain (without parser) took 5275.06ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 43.4MB in the beginning and 48.3MB in the end (delta: -4.9MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,172 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 60.7MB in the beginning and 60.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:43,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.86ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 62.0MB in the end (delta: -18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.07ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 59.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,174 INFO L158 Benchmark]: Boogie Preprocessor took 46.87ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,174 INFO L158 Benchmark]: RCFGBuilder took 526.21ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 38.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,175 INFO L158 Benchmark]: BuchiAutomizer took 4165.70ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 38.1MB in the beginning and 51.4MB in the end (delta: -13.3MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,176 INFO L158 Benchmark]: Witness Printer took 45.67ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:43,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 60.7MB in the beginning and 60.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.86ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 62.0MB in the end (delta: -18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.07ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 59.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.87ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.21ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 38.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4165.70ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 38.1MB in the beginning and 51.4MB in the end (delta: -13.3MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Witness Printer took 45.67ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 48.3MB 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 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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 83 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 802]: 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, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4421a432=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4da75d87=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26afb6da=0, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@125da4f6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e59ef2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7214b92d=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4513a53f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1170b1b4=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 802]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:43,246 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)