./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product11.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_spec3_product11.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 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:44,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:44,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:44,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:44,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:44,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:44,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:44,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:44,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:44,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:44,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:44,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:44,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:44,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:44,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:44,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:44,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:44,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:44,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:44,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:44,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:44,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:44,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:44,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:44,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:44,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:44,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:44,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:44,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:44,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:44,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:44,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:44,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:44,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:44,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:44,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:44,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:44,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:44,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:44,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:44,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:44,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:44,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:44,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:44,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:44,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:44,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:44,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:44,755 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:44,755 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:44,755 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:44,755 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:44,756 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:44,756 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:44,756 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:44,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:44,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:44,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:44,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:44,758 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:44,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:44,759 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:44,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:44,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:44,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:44,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:44,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:44,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:44,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:44,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 [2022-02-21 04:16:44,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:44,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:44,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:44,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:44,979 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:44,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2022-02-21 04:16:45,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62571550/d1e71d88179f4113992a5b6ba018cb64/FLAG01ccd74b0 [2022-02-21 04:16:45,520 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:45,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2022-02-21 04:16:45,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62571550/d1e71d88179f4113992a5b6ba018cb64/FLAG01ccd74b0 [2022-02-21 04:16:46,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62571550/d1e71d88179f4113992a5b6ba018cb64 [2022-02-21 04:16:46,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:46,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:46,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:46,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:46,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:46,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45028071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46, skipping insertion in model container [2022-02-21 04:16:46,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:46,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:46,370 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_spec3_product11.cil.c[16202,16215] [2022-02-21 04:16:46,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:46,383 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:46,480 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_spec3_product11.cil.c[16202,16215] [2022-02-21 04:16:46,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:46,499 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:46,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46 WrapperNode [2022-02-21 04:16:46,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:46,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:46,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:46,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:46,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,573 INFO L137 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 318 [2022-02-21 04:16:46,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:46,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:46,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:46,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:46,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:46,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:46,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:46,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:46,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (1/1) ... [2022-02-21 04:16:46,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:46,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:46,668 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 04:16:46,683 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 04:16:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:46,767 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:46,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:47,001 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:47,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:47,008 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:47,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:47 BoogieIcfgContainer [2022-02-21 04:16:47,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:47,011 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:47,011 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:47,013 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:47,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:47,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:46" (1/3) ... [2022-02-21 04:16:47,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f7da622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:47, skipping insertion in model container [2022-02-21 04:16:47,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:47,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:46" (2/3) ... [2022-02-21 04:16:47,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f7da622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:47, skipping insertion in model container [2022-02-21 04:16:47,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:47,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:47" (3/3) ... [2022-02-21 04:16:47,018 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2022-02-21 04:16:47,066 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:47,066 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:47,066 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:47,066 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:47,067 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:47,067 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:47,067 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:47,067 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:47,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 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 04:16:47,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2022-02-21 04:16:47,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:47,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:47,114 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:47,114 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 04:16:47,115 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:47,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 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 04:16:47,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2022-02-21 04:16:47,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:47,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:47,127 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:47,127 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 04:16:47,131 INFO L791 eck$LassoCheckResult]: Stem: 72#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 63#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 77#L214true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 12#L207true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 36#L222true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 50#L178true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 33#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 7#L748-2true [2022-02-21 04:16:47,133 INFO L793 eck$LassoCheckResult]: Loop: 7#L748-2true assume !false; 9#L749true assume test_~splverifierCounter~0#1 < 4; 61#L750true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 51#L758true assume !(0 != test_~tmp~6#1); 15#L758-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 17#L768true assume !(0 != test_~tmp___0~1#1); 20#L768-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 30#L778true assume 0 != test_~tmp___2~0#1; 82#L784-2true assume { :begin_inline_timeShift } true; 79#L605true assume !(0 != ~pumpRunning~0); 29#L605-2true assume !(0 != ~systemActive~0); 65#L612-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 54#L857true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 10#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 80#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 49#L622true assume { :end_inline_timeShift } true; 7#L748-2true [2022-02-21 04:16:47,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:47,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:16:47,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:47,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628929483] [2022-02-21 04:16:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:47,240 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:47,282 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:47,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:47,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1802248790, now seen corresponding path program 1 times [2022-02-21 04:16:47,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:47,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061535370] [2022-02-21 04:16:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:47,309 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:47,324 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1137299430, now seen corresponding path program 1 times [2022-02-21 04:16:47,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:47,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940758779] [2022-02-21 04:16:47,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:47,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:47,505 INFO L290 TraceCheckUtils]: 0: Hoare triple {93#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {95#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:47,506 INFO L290 TraceCheckUtils]: 1: Hoare triple {95#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {95#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:47,507 INFO L290 TraceCheckUtils]: 2: Hoare triple {95#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {95#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:47,507 INFO L290 TraceCheckUtils]: 3: Hoare triple {95#(= 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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {96#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:47,508 INFO L290 TraceCheckUtils]: 4: Hoare triple {96#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; {97#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} is VALID [2022-02-21 04:16:47,508 INFO L290 TraceCheckUtils]: 5: Hoare triple {97#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,509 INFO L290 TraceCheckUtils]: 6: Hoare triple {98#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,509 INFO L290 TraceCheckUtils]: 7: Hoare triple {98#(not (= 0 ~systemActive~0))} assume !false; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,511 INFO L290 TraceCheckUtils]: 8: Hoare triple {98#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,512 INFO L290 TraceCheckUtils]: 9: Hoare triple {98#(not (= 0 ~systemActive~0))} test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,513 INFO L290 TraceCheckUtils]: 10: Hoare triple {98#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6#1); {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,513 INFO L290 TraceCheckUtils]: 11: Hoare triple {98#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,518 INFO L290 TraceCheckUtils]: 12: Hoare triple {98#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,519 INFO L290 TraceCheckUtils]: 13: Hoare triple {98#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,520 INFO L290 TraceCheckUtils]: 14: Hoare triple {98#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,520 INFO L290 TraceCheckUtils]: 15: Hoare triple {98#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,521 INFO L290 TraceCheckUtils]: 16: Hoare triple {98#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {98#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:47,521 INFO L290 TraceCheckUtils]: 17: Hoare triple {98#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {94#false} is VALID [2022-02-21 04:16:47,521 INFO L290 TraceCheckUtils]: 18: Hoare triple {94#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {94#false} is VALID [2022-02-21 04:16:47,522 INFO L290 TraceCheckUtils]: 19: Hoare triple {94#false} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {94#false} is VALID [2022-02-21 04:16:47,522 INFO L290 TraceCheckUtils]: 20: Hoare triple {94#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {94#false} is VALID [2022-02-21 04:16:47,522 INFO L290 TraceCheckUtils]: 21: Hoare triple {94#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {94#false} is VALID [2022-02-21 04:16:47,522 INFO L290 TraceCheckUtils]: 22: Hoare triple {94#false} assume { :end_inline_timeShift } true; {94#false} is VALID [2022-02-21 04:16:47,523 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 04:16:47,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:47,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940758779] [2022-02-21 04:16:47,524 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940758779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:47,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:47,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:47,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179015962] [2022-02-21 04:16:47,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:47,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:47,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:47,662 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 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 04:16:48,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,109 INFO L93 Difference]: Finished difference Result 227 states and 290 transitions. [2022-02-21 04:16:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:16:48,110 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 04:16:48,130 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 04:16:48,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 290 transitions. [2022-02-21 04:16:48,154 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2022-02-21 04:16:48,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 197 states and 260 transitions. [2022-02-21 04:16:48,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2022-02-21 04:16:48,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2022-02-21 04:16:48,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 260 transitions. [2022-02-21 04:16:48,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:48,167 INFO L681 BuchiCegarLoop]: Abstraction has 197 states and 260 transitions. [2022-02-21 04:16:48,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 260 transitions. [2022-02-21 04:16:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 130. [2022-02-21 04:16:48,195 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:48,200 INFO L82 GeneralOperation]: Start isEquivalent. First operand 197 states and 260 transitions. Second operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 04:16:48,201 INFO L74 IsIncluded]: Start isIncluded. First operand 197 states and 260 transitions. Second operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 04:16:48,202 INFO L87 Difference]: Start difference. First operand 197 states and 260 transitions. Second operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 04:16:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,214 INFO L93 Difference]: Finished difference Result 197 states and 260 transitions. [2022-02-21 04:16:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2022-02-21 04:16:48,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:48,217 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:48,217 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 197 states and 260 transitions. [2022-02-21 04:16:48,217 INFO L87 Difference]: Start difference. First operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 197 states and 260 transitions. [2022-02-21 04:16:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,222 INFO L93 Difference]: Finished difference Result 197 states and 260 transitions. [2022-02-21 04:16:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2022-02-21 04:16:48,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:48,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:48,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:48,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:48,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 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 04:16:48,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 172 transitions. [2022-02-21 04:16:48,230 INFO L704 BuchiCegarLoop]: Abstraction has 130 states and 172 transitions. [2022-02-21 04:16:48,230 INFO L587 BuchiCegarLoop]: Abstraction has 130 states and 172 transitions. [2022-02-21 04:16:48,230 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:48,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 172 transitions. [2022-02-21 04:16:48,232 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2022-02-21 04:16:48,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:48,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:48,232 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,232 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,233 INFO L791 eck$LassoCheckResult]: Stem: 400#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 397#L214 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 346#L207 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 347#L222 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 379#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 377#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 337#L748-2 [2022-02-21 04:16:48,233 INFO L793 eck$LassoCheckResult]: Loop: 337#L748-2 assume !false; 338#L749 assume test_~splverifierCounter~0#1 < 4; 339#L750 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 391#L758 assume !(0 != test_~tmp~6#1); 352#L758-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 353#L768 assume !(0 != test_~tmp___0~1#1); 356#L768-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 360#L778 assume 0 != test_~tmp___2~0#1; 373#L784-2 assume { :begin_inline_timeShift } true; 402#L605 assume !(0 != ~pumpRunning~0); 370#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 371#L629 assume { :end_inline_processEnvironment } true; 398#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 393#L857 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 341#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 343#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 390#L622 assume { :end_inline_timeShift } true; 337#L748-2 [2022-02-21 04:16:48,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:16:48,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596457154] [2022-02-21 04:16:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,262 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,263 INFO L85 PathProgramCache]: Analyzing trace with hash 663614206, now seen corresponding path program 1 times [2022-02-21 04:16:48,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119530119] [2022-02-21 04:16:48,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,275 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash -268067398, now seen corresponding path program 1 times [2022-02-21 04:16:48,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451078978] [2022-02-21 04:16:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:48,339 INFO L290 TraceCheckUtils]: 0: Hoare triple {861#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,340 INFO L290 TraceCheckUtils]: 1: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,341 INFO L290 TraceCheckUtils]: 2: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,341 INFO L290 TraceCheckUtils]: 3: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,341 INFO L290 TraceCheckUtils]: 4: Hoare triple {863#(= ~methaneLevelCritical~0 0)} main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,342 INFO L290 TraceCheckUtils]: 5: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,342 INFO L290 TraceCheckUtils]: 6: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,342 INFO L290 TraceCheckUtils]: 7: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume !false; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,343 INFO L290 TraceCheckUtils]: 8: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,343 INFO L290 TraceCheckUtils]: 9: Hoare triple {863#(= ~methaneLevelCritical~0 0)} test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,344 INFO L290 TraceCheckUtils]: 10: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~6#1); {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,344 INFO L290 TraceCheckUtils]: 11: Hoare triple {863#(= ~methaneLevelCritical~0 0)} test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,344 INFO L290 TraceCheckUtils]: 12: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~1#1); {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,345 INFO L290 TraceCheckUtils]: 13: Hoare triple {863#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,345 INFO L290 TraceCheckUtils]: 14: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,346 INFO L290 TraceCheckUtils]: 15: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,346 INFO L290 TraceCheckUtils]: 16: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,346 INFO L290 TraceCheckUtils]: 17: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,347 INFO L290 TraceCheckUtils]: 18: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {863#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:48,347 INFO L290 TraceCheckUtils]: 19: Hoare triple {863#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {864#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:16:48,348 INFO L290 TraceCheckUtils]: 20: Hoare triple {864#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {865#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} is VALID [2022-02-21 04:16:48,348 INFO L290 TraceCheckUtils]: 21: Hoare triple {865#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {862#false} is VALID [2022-02-21 04:16:48,348 INFO L290 TraceCheckUtils]: 22: Hoare triple {862#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {862#false} is VALID [2022-02-21 04:16:48,348 INFO L290 TraceCheckUtils]: 23: Hoare triple {862#false} assume { :end_inline_timeShift } true; {862#false} is VALID [2022-02-21 04:16:48,349 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 04:16:48,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:48,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451078978] [2022-02-21 04:16:48,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451078978] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:48,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:48,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:48,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306334147] [2022-02-21 04:16:48,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:48,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:16:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:16:48,416 INFO L87 Difference]: Start difference. First operand 130 states and 172 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 04:16:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,767 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2022-02-21 04:16:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:16:48,767 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 04:16:48,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:48,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 571 transitions. [2022-02-21 04:16:48,795 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 331 [2022-02-21 04:16:48,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 571 transitions. [2022-02-21 04:16:48,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2022-02-21 04:16:48,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2022-02-21 04:16:48,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 571 transitions. [2022-02-21 04:16:48,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:48,809 INFO L681 BuchiCegarLoop]: Abstraction has 429 states and 571 transitions. [2022-02-21 04:16:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 571 transitions. [2022-02-21 04:16:48,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 253. [2022-02-21 04:16:48,815 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:48,816 INFO L82 GeneralOperation]: Start isEquivalent. First operand 429 states and 571 transitions. Second operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 04:16:48,816 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states and 571 transitions. Second operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 04:16:48,816 INFO L87 Difference]: Start difference. First operand 429 states and 571 transitions. Second operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 04:16:48,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,827 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2022-02-21 04:16:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 571 transitions. [2022-02-21 04:16:48,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:48,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:48,829 INFO L74 IsIncluded]: Start isIncluded. First operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 429 states and 571 transitions. [2022-02-21 04:16:48,829 INFO L87 Difference]: Start difference. First operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 429 states and 571 transitions. [2022-02-21 04:16:48,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:48,840 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2022-02-21 04:16:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 571 transitions. [2022-02-21 04:16:48,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:48,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:48,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:48,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 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 04:16:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2022-02-21 04:16:48,847 INFO L704 BuchiCegarLoop]: Abstraction has 253 states and 329 transitions. [2022-02-21 04:16:48,847 INFO L587 BuchiCegarLoop]: Abstraction has 253 states and 329 transitions. [2022-02-21 04:16:48,847 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:16:48,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 329 transitions. [2022-02-21 04:16:48,848 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2022-02-21 04:16:48,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:48,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:48,848 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,848 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 04:16:48,849 INFO L791 eck$LassoCheckResult]: Stem: 1399#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1393#L214 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1320#L207 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 1321#L222 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 1360#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1359#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1310#L748-2 [2022-02-21 04:16:48,849 INFO L793 eck$LassoCheckResult]: Loop: 1310#L748-2 assume !false; 1311#L749 assume test_~splverifierCounter~0#1 < 4; 1312#L750 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1380#L758 assume !(0 != test_~tmp~6#1); 1324#L758-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1325#L768 assume !(0 != test_~tmp___0~1#1); 1334#L768-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1335#L778 assume 0 != test_~tmp___2~0#1; 1350#L784-2 assume { :begin_inline_timeShift } true; 1404#L605 assume !(0 != ~pumpRunning~0); 1347#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1348#L629 assume { :end_inline_processEnvironment } true; 1394#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1395#L857 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1314#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1315#L889 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1340#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1405#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1379#L622 assume { :end_inline_timeShift } true; 1310#L748-2 [2022-02-21 04:16:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:16:48,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894985813] [2022-02-21 04:16:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,858 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,866 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2079342897, now seen corresponding path program 1 times [2022-02-21 04:16:48,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462557205] [2022-02-21 04:16:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,873 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 86519021, now seen corresponding path program 1 times [2022-02-21 04:16:48,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118916870] [2022-02-21 04:16:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,895 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:51,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:51 BoogieIcfgContainer [2022-02-21 04:16:51,049 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:51,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:51,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:51,049 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:51,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:47" (3/4) ... [2022-02-21 04:16:51,052 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:51,098 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:51,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:51,100 INFO L158 Benchmark]: Toolchain (without parser) took 5044.60ms. Allocated memory was 83.9MB in the beginning and 188.7MB in the end (delta: 104.9MB). Free memory was 48.4MB in the beginning and 150.1MB in the end (delta: -101.7MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,100 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:51,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.43ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 48.2MB in the beginning and 92.5MB in the end (delta: -44.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.32ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,101 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,101 INFO L158 Benchmark]: RCFGBuilder took 387.71ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 70.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,101 INFO L158 Benchmark]: BuchiAutomizer took 4038.22ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 70.2MB in the beginning and 152.2MB in the end (delta: -82.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,115 INFO L158 Benchmark]: Witness Printer took 49.34ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 150.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:51,116 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 0.16ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.43ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 48.2MB in the beginning and 92.5MB in the end (delta: -44.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.32ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.71ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 70.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4038.22ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 70.2MB in the beginning and 152.2MB in the end (delta: -82.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Witness Printer took 49.34ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 150.1MB 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 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 253 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 243 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 253 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 777 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 777 mSDsluCounter, 1169 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 936 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 233 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 748]: 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, retValue_acc=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, tmp___0=1, retValue_acc=0, \result=0, tmp=0, retValue_acc=1, \result=1, tmp___1=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28d4d78e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60d876a6=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f9068f=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35ec980c=0, \result=0, tmp=1, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@276a9471=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534c0a4b=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a0143e1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cf3b512=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 748]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 Loop: [L748] COND TRUE 1 [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp)) [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) [L793] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L620] RET __utac_acc__Specification3_spec__1() [L793] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:51,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)